Field Detail

• sqlStateXOpen

  static final int sqlStateXOpen

  See Also:

  Constant Field Values

• tdsVersion

  private final int tdsVersion

• serverType

  private final int serverType

• connection

  private final JtdsConnection connection

• sysnameLength

  int sysnameLength

  Length of a sysname object (table name, catalog name etc.) -- 128 for TDS 7.0, 30 for earlier versions.

• caseSensitive

  java.lang.Boolean caseSensitive

  Boolean.TRUE if identifiers are case sensitive (the server was installed that way). Initially null, set the first time any of the methods that check this are called.

Constructor Detail

• JtdsDatabaseMetaData

  public JtdsDatabaseMetaData​(JtdsConnection connection)

Method Detail

• allProceduresAreCallable

  public boolean allProceduresAreCallable()
                                   throws java.sql.SQLException

  Can all the procedures returned by getProcedures be called by the current user?

  Specified by:

  allProceduresAreCallable in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• allTablesAreSelectable

  public boolean allTablesAreSelectable()
                                 throws java.sql.SQLException

  Can all the tables returned by getTable be SELECTed by the current user?

  Specified by:

  allTablesAreSelectable in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• dataDefinitionCausesTransactionCommit

  public boolean dataDefinitionCausesTransactionCommit()
                                                throws java.sql.SQLException

  Does a data definition statement within a transaction force the transaction to commit?

  Specified by:

  dataDefinitionCausesTransactionCommit in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• dataDefinitionIgnoredInTransactions

  public boolean dataDefinitionIgnoredInTransactions()
                                              throws java.sql.SQLException

  Is a data definition statement within a transaction ignored?

  Specified by:

  dataDefinitionIgnoredInTransactions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• doesMaxRowSizeIncludeBlobs

  public boolean doesMaxRowSizeIncludeBlobs()
                                     throws java.sql.SQLException

  Did getMaxRowSize() include LONGVARCHAR and LONGVARBINARY blobs?

  Specified by:

  doesMaxRowSizeIncludeBlobs in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getBestRowIdentifier

  public java.sql.ResultSet getBestRowIdentifier​(java.lang.String catalog,
                                                 java.lang.String schema,
                                                 java.lang.String table,
                                                 int scope,
                                                 boolean nullable)
                                          throws java.sql.SQLException

  Get a description of a table's optimal set of columns that uniquely identifies a row. They are ordered by SCOPE.

  Each column description has the following columns:

  1. SCOPE short =>actual scope of result
     • bestRowTemporary - very temporary, while using row
     • bestRowTransaction - valid for remainder of current transaction
     • bestRowSession - valid for remainder of current session
  2. COLUMN_NAME String =>column name
  3. DATA_TYPE short =>SQL data type from java.sql.Types
  4. TYPE_NAME String =>Data source dependent type name
  5. COLUMN_SIZE int =>precision
  6. BUFFER_LENGTH int =>not used
  7. DECIMAL_DIGITS short =>scale
  8. PSEUDO_COLUMN short =>is this a pseudo column like an Oracle ROWID
     • bestRowUnknown - may or may not be pseudo column
     • bestRowNotPseudo - is NOT a pseudo column
     • bestRowPseudo - is a pseudo column

  Specified by:

  getBestRowIdentifier in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a catalog; null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  scope - the scope of interest; use same values as SCOPE

  nullable - include columns that are nullable?

  Returns:

  ResultSet - each row is a column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getCatalogs

  public java.sql.ResultSet getCatalogs()
                                 throws java.sql.SQLException

  Get the catalog names available in this database. The results are ordered by catalog name.

  The catalog column is:

  1. TABLE_CAT String =>catalog name

  Specified by:

  getCatalogs in interface java.sql.DatabaseMetaData

  Returns:

  ResultSet - each row has a single String column that is a catalog name

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getCatalogSeparator

  public java.lang.String getCatalogSeparator()
                                       throws java.sql.SQLException

  What's the separator between catalog and table name?

  Specified by:

  getCatalogSeparator in interface java.sql.DatabaseMetaData

  Returns:

  the separator string

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getCatalogTerm

  public java.lang.String getCatalogTerm()
                                  throws java.sql.SQLException

  What's the database vendor's preferred term for "catalog"?

  Specified by:

  getCatalogTerm in interface java.sql.DatabaseMetaData

  Returns:

  the vendor term

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getColumnPrivileges

  public java.sql.ResultSet getColumnPrivileges​(java.lang.String catalog,
                                                java.lang.String schema,
                                                java.lang.String table,
                                                java.lang.String columnNamePattern)
                                         throws java.sql.SQLException

  Get a description of the access rights for a table's columns.

  Only privileges matching the column name criteria are returned. They are ordered by COLUMN_NAME and PRIVILEGE.

  Each privilige description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. COLUMN_NAME String =>column name
  5. GRANTOR =>grantor of access (may be null)
  6. GRANTEE String =>grantee of access
  7. PRIVILEGE String =>name of access (SELECT, INSERT, UPDATE, REFRENCES, ...)
  8. IS_GRANTABLE String =>"YES" if grantee is permitted to grant to others; "NO" if not; null if unknown

  Specified by:

  getColumnPrivileges in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a catalog; null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema schema

  table - a table name

  columnNamePattern - a column name pattern

  Returns:

  ResultSet - each row is a column privilege description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getColumns

  public java.sql.ResultSet getColumns​(java.lang.String catalog,
                                       java.lang.String schemaPattern,
                                       java.lang.String tableNamePattern,
                                       java.lang.String columnNamePattern)
                                throws java.sql.SQLException

  Get a description of table columns available in a catalog.

  Only column descriptions matching the catalog, schema, table and column name criteria are returned. They are ordered by TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.

  Each column description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. COLUMN_NAME String =>column name
  5. DATA_TYPE short =>SQL type from java.sql.Types
  6. TYPE_NAME String =>Data source dependent type name
  7. COLUMN_SIZE int =>column size. For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
  8. BUFFER_LENGTH is not used.
  9. DECIMAL_DIGITS int =>the number of fractional digits
  10. NUM_PREC_RADIX int =>Radix (typically either 10 or 2)
  11. NULLABLE int =>is NULL allowed?
      • columnNoNulls - might not allow NULL values
      • columnNullable - definitely allows NULL values
      • columnNullableUnknown - nullability unknown
  12. REMARKS String =>comment describing column (may be null)
  13. COLUMN_DEF String =>default value (may be null)
  14. SQL_DATA_TYPE int =>unused
  15. SQL_DATETIME_SUB int =>unused
  16. CHAR_OCTET_LENGTH int =>for char types the maximum number of bytes in the column
  17. ORDINAL_POSITION int =>index of column in table (starting at 1)
  18. IS_NULLABLE String =>"NO" means column definitely does not allow NULL values; "YES" means the column might allow NULL values. An empty string means nobody knows.
  19. IS_AUTOINCREMENT String =>"NO" means column is no identity column; "YES" means it is.

  Specified by:

  getColumns in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a catalog; null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  tableNamePattern - a table name pattern

  columnNamePattern - a column name pattern

  Returns:

  ResultSet - each row is a column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getCrossReference

  public java.sql.ResultSet getCrossReference​(java.lang.String primaryCatalog,
                                              java.lang.String primarySchema,
                                              java.lang.String primaryTable,
                                              java.lang.String foreignCatalog,
                                              java.lang.String foreignSchema,
                                              java.lang.String foreignTable)
                                       throws java.sql.SQLException

  Get a description of the foreign key columns in the foreign key table that reference the primary key columns of the primary key table (describe how one table imports another's key). This should normally return a single foreign key/primary key pair (most tables only import a foreign key from a table once.) They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.

  Each foreign key column description has the following columns:

  1. PKTABLE_CAT String =>primary key table catalog (may be null)
  2. PKTABLE_SCHEM String =>primary key table schema (may be null)
  3. PKTABLE_NAME String =>primary key table name
  4. PKCOLUMN_NAME String =>primary key column name
  5. FKTABLE_CAT String =>foreign key table catalog (may be null) being exported (may be null)
  6. FKTABLE_SCHEM String =>foreign key table schema (may be null) being exported (may be null)
  7. FKTABLE_NAME String =>foreign key table name being exported
  8. FKCOLUMN_NAME String =>foreign key column name being exported
  9. KEY_SEQ short =>sequence number within foreign key
  10. UPDATE_RULE short =>What happens to foreign key when primary is updated:
      • importedNoAction - do not allow update of primary key if it has been imported
      • importedKeyCascade - change imported key to agree with primary key update
      • importedKeySetNull - change imported key to NULL if its primary key has been updated
      • importedKeySetDefault - change imported key to default values if its primary key has been updated
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
  11. DELETE_RULE short =>What happens to the foreign key when primary is deleted.
      • importedKeyNoAction - do not allow delete of primary key if it has been imported
      • importedKeyCascade - delete rows that import a deleted key
      • importedKeySetNull - change imported key to NULL if its primary key has been deleted
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
      • importedKeySetDefault - change imported key to default if its primary key has been deleted
  12. FK_NAME String =>foreign key name (may be null)
  13. PK_NAME String =>primary key name (may be null)
  14. DEFERRABILITY short =>can the evaluation of foreign key constraints be deferred until commit
      • importedKeyInitiallyDeferred - see SQL92 for definition
      • importedKeyInitiallyImmediate - see SQL92 for definition
      • importedKeyNotDeferrable - see SQL92 for definition

  Specified by:

  getCrossReference in interface java.sql.DatabaseMetaData

  Parameters:

  primaryCatalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  primarySchema - a schema name pattern; "" retrieves those without a schema

  primaryTable - the table name that exports the key

  foreignCatalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  foreignSchema - a schema name pattern; "" retrieves those without a schema

  foreignTable - the table name that imports the key

  Returns:

  ResultSet - each row is a foreign key column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getImportedKeys(java.lang.String, java.lang.String, java.lang.String)

• getDatabaseProductName

  public java.lang.String getDatabaseProductName()
                                          throws java.sql.SQLException

  Returns the name of this database product.

  Specified by:

  getDatabaseProductName in interface java.sql.DatabaseMetaData

  Returns:

  database product name

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getDatabaseProductVersion

  public java.lang.String getDatabaseProductVersion()
                                             throws java.sql.SQLException

  Returns the version of this database product.

  Specified by:

  getDatabaseProductVersion in interface java.sql.DatabaseMetaData

  Returns:

  database version

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getDefaultTransactionIsolation

  public int getDefaultTransactionIsolation()
                                     throws java.sql.SQLException

  Returns the database's default transaction isolation level. The values are defined in java.sql.Connection.

  Specified by:

  getDefaultTransactionIsolation in interface java.sql.DatabaseMetaData

  Returns:

  the default isolation level

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  Connection

• getDriverMajorVersion

  public int getDriverMajorVersion()

  Returns this JDBC driver's major version number.

  Specified by:

  getDriverMajorVersion in interface java.sql.DatabaseMetaData

  Returns:

  JDBC driver major version

• getDriverMinorVersion

  public int getDriverMinorVersion()

  Returns this JDBC driver's minor version number.

  Specified by:

  getDriverMinorVersion in interface java.sql.DatabaseMetaData

  Returns:

  JDBC driver minor version number

• getDriverName

  public java.lang.String getDriverName()
                                 throws java.sql.SQLException

  Returns the name of this JDBC driver.

  Specified by:

  getDriverName in interface java.sql.DatabaseMetaData

  Returns:

  JDBC driver name

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getDriverVersion

  public java.lang.String getDriverVersion()
                                    throws java.sql.SQLException

  Returns the version of this JDBC driver.

  Specified by:

  getDriverVersion in interface java.sql.DatabaseMetaData

  Returns:

  JDBC driver version

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getExportedKeys

  public java.sql.ResultSet getExportedKeys​(java.lang.String catalog,
                                            java.lang.String schema,
                                            java.lang.String table)
                                     throws java.sql.SQLException

  Get a description of the foreign key columns that reference a table's primary key columns (the foreign keys exported by a table). They are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and KEY_SEQ.

  Each foreign key column description has the following columns:

  1. PKTABLE_CAT String =>primary key table catalog (may be null)
  2. PKTABLE_SCHEM String =>primary key table schema (may be null)
  3. PKTABLE_NAME String =>primary key table name
  4. PKCOLUMN_NAME String =>primary key column name
  5. FKTABLE_CAT String =>foreign key table catalog (may be null) being exported (may be null)
  6. FKTABLE_SCHEM String =>foreign key table schema (may be null) being exported (may be null)
  7. FKTABLE_NAME String =>foreign key table name being exported
  8. FKCOLUMN_NAME String =>foreign key column name being exported
  9. KEY_SEQ short =>sequence number within foreign key
  10. UPDATE_RULE short =>What happens to foreign key when primary is updated:
      • importedNoAction - do not allow update of primary key if it has been imported
      • importedKeyCascade - change imported key to agree with primary key update
      • importedKeySetNull - change imported key to NULL if its primary key has been updated
      • importedKeySetDefault - change imported key to default values if its primary key has been updated
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
  11. DELETE_RULE short =>What happens to the foreign key when primary is deleted.
      • importedKeyNoAction - do not allow delete of primary key if it has been imported
      • importedKeyCascade - delete rows that import a deleted key
      • importedKeySetNull - change imported key to NULL if its primary key has been deleted
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
      • importedKeySetDefault - change imported key to default if its primary key has been deleted
  12. FK_NAME String =>foreign key name (may be null)
  13. PK_NAME String =>primary key name (may be null)
  14. DEFERRABILITY short =>can the evaluation of foreign key constraints be deferred until commit
      • importedKeyInitiallyDeferred - see SQL92 for definition
      • importedKeyInitiallyImmediate - see SQL92 for definition
      • importedKeyNotDeferrable - see SQL92 for definition

  Specified by:

  getExportedKeys in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  Returns:

  ResultSet - each row is a foreign key column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getImportedKeys(java.lang.String, java.lang.String, java.lang.String)

• getExtraNameCharacters

  public java.lang.String getExtraNameCharacters()
                                          throws java.sql.SQLException

  Get all the "extra" characters that can be used in unquoted identifier names (those beyond a-z, A-Z, 0-9 and _).

  Specified by:

  getExtraNameCharacters in interface java.sql.DatabaseMetaData

  Returns:

  the string containing the extra characters

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getIdentifierQuoteString

  public java.lang.String getIdentifierQuoteString()
                                            throws java.sql.SQLException

  Returns the string used to quote SQL identifiers. This returns a space " " if identifier quoting isn't supported. A JDBC-Compliant driver always uses a double quote character.

  Specified by:

  getIdentifierQuoteString in interface java.sql.DatabaseMetaData

  Returns:

  the quoting string

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getImportedKeys

  public java.sql.ResultSet getImportedKeys​(java.lang.String catalog,
                                            java.lang.String schema,
                                            java.lang.String table)
                                     throws java.sql.SQLException

  Get a description of the primary key columns that are referenced by a table's foreign key columns (the primary keys imported by a table). They are ordered by PKTABLE_CAT, PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.

  Each primary key column description has the following columns:

  1. PKTABLE_CAT String =>primary key table catalog being imported (may be null)
  2. PKTABLE_SCHEM String =>primary key table schema being imported (may be null)
  3. PKTABLE_NAME String =>primary key table name being imported
  4. PKCOLUMN_NAME String =>primary key column name being imported
  5. FKTABLE_CAT String =>foreign key table catalog (may be null)
  6. FKTABLE_SCHEM String =>foreign key table schema (may be null)
  7. FKTABLE_NAME String =>foreign key table name
  8. FKCOLUMN_NAME String =>foreign key column name
  9. KEY_SEQ short =>sequence number within foreign key
  10. UPDATE_RULE short =>What happens to foreign key when primary is updated:
      • importedNoAction - do not allow update of primary key if it has been imported
      • importedKeyCascade - change imported key to agree with primary key update
      • importedKeySetNull - change imported key to NULL if its primary key has been updated
      • importedKeySetDefault - change imported key to default values if its primary key has been updated
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
  11. DELETE_RULE short =>What happens to the foreign key when primary is deleted.
      • importedKeyNoAction - do not allow delete of primary key if it has been imported
      • importedKeyCascade - delete rows that import a deleted key
      • importedKeySetNull - change imported key to NULL if its primary key has been deleted
      • importedKeyRestrict - same as importedKeyNoAction (for ODBC 2.x compatibility)
      • importedKeySetDefault - change imported key to default if its primary key has been deleted
  12. FK_NAME String =>foreign key name (may be null)
  13. PK_NAME String =>primary key name (may be null)
  14. DEFERRABILITY short =>can the evaluation of foreign key constraints be deferred until commit
      • importedKeyInitiallyDeferred - see SQL92 for definition
      • importedKeyInitiallyImmediate - see SQL92 for definition
      • importedKeyNotDeferrable - see SQL92 for definition

  Specified by:

  getImportedKeys in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  Returns:

  ResultSet - each row is a primary key column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getExportedKeys(java.lang.String, java.lang.String, java.lang.String)

• getIndexInfo

  public java.sql.ResultSet getIndexInfo​(java.lang.String catalog,
                                         java.lang.String schema,
                                         java.lang.String table,
                                         boolean unique,
                                         boolean approximate)
                                  throws java.sql.SQLException

  Get a description of a table's indices and statistics. They are ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.

  Each index column description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. NON_UNIQUE boolean =>Can index values be non-unique? false when TYPE is tableIndexStatistic
  5. INDEX_QUALIFIER String =>index catalog (may be null); null when TYPE is tableIndexStatistic
  6. INDEX_NAME String =>index name; null when TYPE is tableIndexStatistic
  7. TYPE short =>index type:
     • tableIndexStatistic - this identifies table statistics that are returned in conjuction with a table's index descriptions
     • tableIndexClustered - this is a clustered index
     • tableIndexHashed - this is a hashed index
     • tableIndexOther - this is some other style of index
  8. ORDINAL_POSITION short =>column sequence number within index; zero when TYPE is tableIndexStatistic
  9. COLUMN_NAME String =>column name; null when TYPE is tableIndexStatistic
  10. ASC_OR_DESC String =>column sort sequence, "A" => ascending, "D" =>descending, may be null if sort sequence is not supported; null when TYPE is tableIndexStatistic
  11. CARDINALITY int =>When TYPE is tableIndexStatistic, then this is the number of rows in the table; otherwise, it is the number of unique values in the index.
  12. PAGES int =>When TYPE is tableIndexStatisic then this is the number of pages used for the table, otherwise it is the number of pages used for the current index.
  13. FILTER_CONDITION String =>Filter condition, if any. (may be null)

  Specified by:

  getIndexInfo in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  unique - when true, return only indices for unique values; when false, return indices regardless of whether unique or not

  approximate - when true, result is allowed to reflect approximate or out of data values; when false, results are requested to be accurate

  Returns:

  ResultSet - each row is an index column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxBinaryLiteralLength

  public int getMaxBinaryLiteralLength()
                                throws java.sql.SQLException

  How many hex characters can you have in an inline binary literal?

  Specified by:

  getMaxBinaryLiteralLength in interface java.sql.DatabaseMetaData

  Returns:

  max literal length

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxCatalogNameLength

  public int getMaxCatalogNameLength()
                              throws java.sql.SQLException

  What's the maximum length of a catalog name?

  Specified by:

  getMaxCatalogNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxCharLiteralLength

  public int getMaxCharLiteralLength()
                              throws java.sql.SQLException

  What's the max length for a character literal?

  Specified by:

  getMaxCharLiteralLength in interface java.sql.DatabaseMetaData

  Returns:

  max literal length

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnNameLength

  public int getMaxColumnNameLength()
                             throws java.sql.SQLException

  What's the limit on column name length?

  Specified by:

  getMaxColumnNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max literal length

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnsInGroupBy

  public int getMaxColumnsInGroupBy()
                             throws java.sql.SQLException

  What's the maximum number of columns in a "GROUP BY" clause?

  Specified by:

  getMaxColumnsInGroupBy in interface java.sql.DatabaseMetaData

  Returns:

  max number of columns

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnsInIndex

  public int getMaxColumnsInIndex()
                           throws java.sql.SQLException

  What's the maximum number of columns allowed in an index?

  Specified by:

  getMaxColumnsInIndex in interface java.sql.DatabaseMetaData

  Returns:

  max columns

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnsInOrderBy

  public int getMaxColumnsInOrderBy()
                             throws java.sql.SQLException

  What's the maximum number of columns in an "ORDER BY" clause?

  Specified by:

  getMaxColumnsInOrderBy in interface java.sql.DatabaseMetaData

  Returns:

  max columns

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnsInSelect

  public int getMaxColumnsInSelect()
                            throws java.sql.SQLException

  What's the maximum number of columns in a "SELECT" list?

  Specified by:

  getMaxColumnsInSelect in interface java.sql.DatabaseMetaData

  Returns:

  max columns

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxColumnsInTable

  public int getMaxColumnsInTable()
                           throws java.sql.SQLException

  What's the maximum number of columns in a table?

  Specified by:

  getMaxColumnsInTable in interface java.sql.DatabaseMetaData

  Returns:

  max columns

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxConnections

  public int getMaxConnections()
                        throws java.sql.SQLException

  How many active connections can we have at a time to this database?

  Specified by:

  getMaxConnections in interface java.sql.DatabaseMetaData

  Returns:

  max connections

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxCursorNameLength

  public int getMaxCursorNameLength()
                             throws java.sql.SQLException

  What's the maximum cursor name length?

  Specified by:

  getMaxCursorNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max cursor name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxIndexLength

  public int getMaxIndexLength()
                        throws java.sql.SQLException

  What's the maximum length of an index (in bytes)?

  Specified by:

  getMaxIndexLength in interface java.sql.DatabaseMetaData

  Returns:

  max index length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxProcedureNameLength

  public int getMaxProcedureNameLength()
                                throws java.sql.SQLException

  What's the maximum length of a procedure name?

  Specified by:

  getMaxProcedureNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxRowSize

  public int getMaxRowSize()
                    throws java.sql.SQLException

  What's the maximum length of a single row?

  Specified by:

  getMaxRowSize in interface java.sql.DatabaseMetaData

  Returns:

  max row size in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxSchemaNameLength

  public int getMaxSchemaNameLength()
                             throws java.sql.SQLException

  What's the maximum length allowed for a schema name?

  Specified by:

  getMaxSchemaNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxStatementLength

  public int getMaxStatementLength()
                            throws java.sql.SQLException

  What's the maximum length of a SQL statement?

  Specified by:

  getMaxStatementLength in interface java.sql.DatabaseMetaData

  Returns:

  max length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxStatements

  public int getMaxStatements()
                       throws java.sql.SQLException

  How many active statements can we have open at one time to this database?

  Specified by:

  getMaxStatements in interface java.sql.DatabaseMetaData

  Returns:

  the maximum

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxTableNameLength

  public int getMaxTableNameLength()
                            throws java.sql.SQLException

  What's the maximum length of a table name?

  Specified by:

  getMaxTableNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxTablesInSelect

  public int getMaxTablesInSelect()
                           throws java.sql.SQLException

  What's the maximum number of tables in a SELECT?

  Specified by:

  getMaxTablesInSelect in interface java.sql.DatabaseMetaData

  Returns:

  the maximum

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getMaxUserNameLength

  public int getMaxUserNameLength()
                           throws java.sql.SQLException

  What's the maximum length of a user name?

  Specified by:

  getMaxUserNameLength in interface java.sql.DatabaseMetaData

  Returns:

  max name length in bytes

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getNumericFunctions

  public java.lang.String getNumericFunctions()
                                       throws java.sql.SQLException

  Get a comma separated list of math functions.

  Specified by:

  getNumericFunctions in interface java.sql.DatabaseMetaData

  Returns:

  the list

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getPrimaryKeys

  public java.sql.ResultSet getPrimaryKeys​(java.lang.String catalog,
                                           java.lang.String schema,
                                           java.lang.String table)
                                    throws java.sql.SQLException

  Get a description of a table's primary key columns. They are ordered by COLUMN_NAME.

  Each primary key column description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. COLUMN_NAME String =>column name
  5. KEY_SEQ short =>sequence number within primary key
  6. PK_NAME String =>primary key name (may be null)

  Specified by:

  getPrimaryKeys in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  Returns:

  ResultSet - each row is a primary key column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getProcedureColumns

  public java.sql.ResultSet getProcedureColumns​(java.lang.String catalog,
                                                java.lang.String schemaPattern,
                                                java.lang.String procedureNamePattern,
                                                java.lang.String columnNamePattern)
                                         throws java.sql.SQLException

  Get a description of a catalog's stored procedure parameters and result columns.

  Only descriptions matching the schema, procedure and parameter name criteria are returned. They are ordered by PROCEDURE_SCHEM and PROCEDURE_NAME. Within this, the return value, if any, is first. Next are the parameter descriptions in call order. The column descriptions follow in column number order.

  Each row in the ResultSet is a parameter description or column description with the following fields:

  1. PROCEDURE_CAT String =>procedure catalog (may be null)
  2. PROCEDURE_SCHEM String =>procedure schema (may be null)
  3. PROCEDURE_NAME String =>procedure name
  4. COLUMN_NAME String =>column/parameter name
  5. COLUMN_TYPE Short =>kind of column/parameter:
     • procedureColumnUnknown - nobody knows
     • procedureColumnIn - IN parameter
     • procedureColumnInOut - INOUT parameter
     • procedureColumnOut - OUT parameter
     • procedureColumnReturn - procedure return value
     • procedureColumnResult - result column in ResultSet
  6. DATA_TYPE short =>SQL type from java.sql.Types
  7. TYPE_NAME String =>SQL type name
  8. PRECISION int =>precision
  9. LENGTH int =>length in bytes of data
  10. SCALE short =>scale
  11. RADIX short =>radix
  12. NULLABLE short =>can it contain NULL?
      • procedureNoNulls - does not allow NULL values
      • procedureNullable - allows NULL values
      • procedureNullableUnknown - nullability unknown
  13. REMARKS String =>comment describing parameter/column

  Note: Some databases may not return the column descriptions for a procedure. Additional columns beyond REMARKS can be defined by the database.

  Specified by:

  getProcedureColumns in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  procedureNamePattern - a procedure name pattern

  columnNamePattern - a column name pattern

  Returns:

  ResultSet - each row is a stored procedure parameter or column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getProcedures

  public java.sql.ResultSet getProcedures​(java.lang.String catalog,
                                          java.lang.String schemaPattern,
                                          java.lang.String procedureNamePattern)
                                   throws java.sql.SQLException

  Get a description of stored procedures available in a catalog.

  Only procedure descriptions matching the schema and procedure name criteria are returned. They are ordered by PROCEDURE_SCHEM, and PROCEDURE_NAME.

  Each procedure description has the the following columns:

  1. PROCEDURE_CAT String =>procedure catalog (may be null)
  2. PROCEDURE_SCHEM String =>procedure schema (may be null)
  3. PROCEDURE_NAME String =>procedure name
  4. reserved for future use
  5. reserved for future use
  6. reserved for future use
  7. REMARKS String =>explanatory comment on the procedure
  8. PROCEDURE_TYPE short =>kind of procedure:
     • procedureResultUnknown - May return a result
     • procedureNoResult - Does not return a result
     • procedureReturnsResult - Returns a result

  Specified by:

  getProcedures in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  procedureNamePattern - a procedure name pattern

  Returns:

  ResultSet - each row is a procedure description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getProcedureTerm

  public java.lang.String getProcedureTerm()
                                    throws java.sql.SQLException

  What's the database vendor's preferred term for "procedure"?

  Specified by:

  getProcedureTerm in interface java.sql.DatabaseMetaData

  Returns:

  the vendor term

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getSchemas

  public java.sql.ResultSet getSchemas()
                                throws java.sql.SQLException

  Get the schema names available in this database. The results are ordered by schema name.

  The schema column is:

  1. TABLE_SCHEM String => schema name
  2. TABLE_CATALOG String => catalog name (may be null, JDBC 3.0)

  Specified by:

  getSchemas in interface java.sql.DatabaseMetaData

  Returns:

  a ResultSet object in which each row is a schema description

  Throws:

  java.sql.SQLException - if a database access error occurs

• getSchemaTerm

  public java.lang.String getSchemaTerm()
                                 throws java.sql.SQLException

  What's the database vendor's preferred term for "schema"?

  Specified by:

  getSchemaTerm in interface java.sql.DatabaseMetaData

  Returns:

  the vendor term

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getSearchStringEscape

  public java.lang.String getSearchStringEscape()
                                         throws java.sql.SQLException

  This is the string that can be used to escape '_' or '%' in the string pattern style catalog search parameters.

  The '_' character represents any single character.

  The '%' character represents any sequence of zero or more characters.

  Specified by:

  getSearchStringEscape in interface java.sql.DatabaseMetaData

  Returns:

  the string used to escape wildcard characters

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getSQLKeywords

  public java.lang.String getSQLKeywords()
                                  throws java.sql.SQLException

  Get a comma separated list of all a database's SQL keywords that are NOT also SQL92 keywords.

  Specified by:

  getSQLKeywords in interface java.sql.DatabaseMetaData

  Returns:

  the list

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getStringFunctions

  public java.lang.String getStringFunctions()
                                      throws java.sql.SQLException

  Get a comma separated list of string functions.

  Specified by:

  getStringFunctions in interface java.sql.DatabaseMetaData

  Returns:

  the list

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getSystemFunctions

  public java.lang.String getSystemFunctions()
                                      throws java.sql.SQLException

  Get a comma separated list of system functions.

  Specified by:

  getSystemFunctions in interface java.sql.DatabaseMetaData

  Returns:

  the list

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getTablePrivileges

  public java.sql.ResultSet getTablePrivileges​(java.lang.String catalog,
                                               java.lang.String schemaPattern,
                                               java.lang.String tableNamePattern)
                                        throws java.sql.SQLException

  Get a description of the access rights for each table available in a catalog. Note that a table privilege applies to one or more columns in the table. It would be wrong to assume that this priviledge applies to all columns (this may be true for some systems but is not true for all.)

  Only privileges matching the schema and table name criteria are returned. They are ordered by TABLE_SCHEM, TABLE_NAME, and PRIVILEGE.

  Each privilige description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. GRANTOR =>grantor of access (may be null)
  5. GRANTEE String =>grantee of access
  6. PRIVILEGE String =>name of access (SELECT, INSERT, UPDATE, REFRENCES, ...)
  7. IS_GRANTABLE String =>"YES" if grantee is permitted to grant to others; "NO" if not; null if unknown

  Specified by:

  getTablePrivileges in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  tableNamePattern - a table name pattern

  Returns:

  ResultSet - each row is a table privilege description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getTables

  public java.sql.ResultSet getTables​(java.lang.String catalog,
                                      java.lang.String schemaPattern,
                                      java.lang.String tableNamePattern,
                                      java.lang.String[] types)
                               throws java.sql.SQLException

  Get a description of tables available in a catalog.

  Only table descriptions matching the catalog, schema, table name and type criteria are returned. They are ordered by TABLE_TYPE, TABLE_SCHEM and TABLE_NAME.

  Each table description has the following columns:

  1. TABLE_CAT String =>table catalog (may be null)
  2. TABLE_SCHEM String =>table schema (may be null)
  3. TABLE_NAME String =>table name
  4. TABLE_TYPE String =>table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
  5. REMARKS String =>explanatory comment on the table
  6. TYPE_CAT String => the types catalog (may be null)
  7. TYPE_SCHEM String => the types schema (may be null)
  8. TYPE_NAME String => type name (may be null)
  9. SELF_REFERENCING_COL_NAME String => name of the designated "identifier" column of a typed table (may be null)
  10. REF_GENERATION String => specifies how values in SELF_REFERENCING_COL_NAME are created. Values are "SYSTEM", "USER", "DERIVED". (may be null)

  Note: Some databases may not return information for all tables.

  Specified by:

  getTables in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  tableNamePattern - a table name pattern

  types - a list of table types to include; null returns all types

  Returns:

  ResultSet - each row is a table description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  getSearchStringEscape()

• getTableTypes

  public java.sql.ResultSet getTableTypes()
                                   throws java.sql.SQLException

  Get the table types available in this database. The results are ordered by table type.

  The table type is:

  1. TABLE_TYPE String => table type. Typical types are "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM".

  Specified by:

  getTableTypes in interface java.sql.DatabaseMetaData

  Returns:

  ResultSet - each row has a single String column that is a table type

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getTimeDateFunctions

  public java.lang.String getTimeDateFunctions()
                                        throws java.sql.SQLException

  Get a comma separated list of time and date functions.

  Specified by:

  getTimeDateFunctions in interface java.sql.DatabaseMetaData

  Returns:

  the list

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getTypeInfo

  public java.sql.ResultSet getTypeInfo()
                                 throws java.sql.SQLException

  Get a description of all the standard SQL types supported by this database. They are ordered by DATA_TYPE and then by how closely the data type maps to the corresponding JDBC SQL type.

  Each type description has the following columns:

  1. TYPE_NAME String =>Type name
  2. DATA_TYPE short =>SQL data type from java.sql.Types
  3. PRECISION int =>maximum precision
  4. LITERAL_PREFIX String =>prefix used to quote a literal (may be null)
  5. LITERAL_SUFFIX String =>suffix used to quote a literal (may be null)
  6. CREATE_PARAMS String =>parameters used in creating the type (may be null)
  7. NULLABLE short =>can you use NULL for this type?
     • typeNoNulls - does not allow NULL values
     • typeNullable - allows NULL values
     • typeNullableUnknown - nullability unknown
  8. CASE_SENSITIVE boolean=>is it case sensitive?
  9. SEARCHABLE short =>can you use "WHERE" based on this type:
     • typePredNone - No support
     • typePredChar - Only supported with WHERE .. LIKE
     • typePredBasic - Supported except for WHERE .. LIKE
     • typeSearchable - Supported for all WHERE ..
  10. UNSIGNED_ATTRIBUTE boolean =>is it unsigned?
  11. FIXED_PREC_SCALE boolean =>can it be a money value?
  12. AUTO_INCREMENT boolean =>can it be used for an auto-increment value?
  13. LOCAL_TYPE_NAME String =>localized version of type name (may be null)
  14. MINIMUM_SCALE short =>minimum scale supported
  15. MAXIMUM_SCALE short =>maximum scale supported
  16. SQL_DATA_TYPE int =>unused
  17. SQL_DATETIME_SUB int =>unused
  18. NUM_PREC_RADIX int =>usually 2 or 10

  Specified by:

  getTypeInfo in interface java.sql.DatabaseMetaData

  Returns:

  ResultSet - each row is a SQL type description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getUDTs

  public java.sql.ResultSet getUDTs​(java.lang.String catalog,
                                    java.lang.String schemaPattern,
                                    java.lang.String typeNamePattern,
                                    int[] types)
                             throws java.sql.SQLException

  JDBC 2.0 Gets a description of the user-defined types defined in a particular schema. Schema-specific UDTs may have type JAVA_OBJECT, STRUCT, or DISTINCT.

  Only types matching the catalog, schema, type name and type criteria are returned. They are ordered by DATA_TYPE, TYPE_SCHEM and TYPE_NAME. The type name parameter may be a fully-qualified name. In this case, the catalog and schemaPattern parameters are ignored.

  Each type description has the following columns:

  1. TYPE_CAT String =>the type's catalog (may be null)
  2. TYPE_SCHEM String =>type's schema (may be null)
  3. TYPE_NAME String =>type name
  4. CLASS_NAME String =>Java class name
  5. DATA_TYPE String =>type value defined in java.sql.Types. One of JAVA_OBJECT, STRUCT, or DISTINCT
  6. REMARKS String =>explanatory comment on the type

  Note: If the driver does not support UDTs, an empty result set is returned.

  Specified by:

  getUDTs in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schemaPattern - a schema name pattern; "" retrieves those without a schema

  typeNamePattern - a type name pattern; may be a fully-qualified name

  types - a list of user-named types to include (JAVA_OBJECT, STRUCT, or DISTINCT); null returns all types

  Returns:

  ResultSet - each row is a type description

  Throws:

  java.sql.SQLException - if a database access error occurs

• getURL

  public java.lang.String getURL()
                          throws java.sql.SQLException

  What's the URL for this database?

  Specified by:

  getURL in interface java.sql.DatabaseMetaData

  Returns:

  the URL or null if it can't be generated

  Throws:

  java.sql.SQLException - if a database-access error occurs

• getUserName

  public java.lang.String getUserName()
                               throws java.sql.SQLException

  What's our user name as known to the database?

  Specified by:

  getUserName in interface java.sql.DatabaseMetaData

  Returns:

  our database user name

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getVersionColumns

  public java.sql.ResultSet getVersionColumns​(java.lang.String catalog,
                                              java.lang.String schema,
                                              java.lang.String table)
                                       throws java.sql.SQLException

  Get a description of a table's columns that are automatically updated when any value in a row is updated. They are unordered.

  Each column description has the following columns:

  1. SCOPE short =>is not used
  2. COLUMN_NAME String =>column name
  3. DATA_TYPE short =>SQL data type from java.sql.Types
  4. TYPE_NAME String =>Data source dependent type name
  5. COLUMN_SIZE int =>precision
  6. BUFFER_LENGTH int =>length of column value in bytes
  7. DECIMAL_DIGITS short =>scale
  8. PSEUDO_COLUMN short =>is this a pseudo column like an Oracle ROWID
     • versionColumnUnknown - may or may not be pseudo column
     • versionColumnNotPseudo - is NOT a pseudo column
     • versionColumnPseudo - is a pseudo column

  Specified by:

  getVersionColumns in interface java.sql.DatabaseMetaData

  Parameters:

  catalog - a catalog name; "" retrieves those without a null means drop catalog name from the selection criteria

  schema - a schema name; "" retrieves those without a schema

  table - a table name

  Returns:

  ResultSet - each row is a column description

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• isCatalogAtStart

  public boolean isCatalogAtStart()
                           throws java.sql.SQLException

  Retrieves whether a catalog appears at the start of a fully qualified table name. If not, the catalog appears at the end.

  Specified by:

  isCatalogAtStart in interface java.sql.DatabaseMetaData

  Returns:

  true if it appears at the start

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• isReadOnly

  public boolean isReadOnly()
                     throws java.sql.SQLException

  Is the database in read-only mode?

  Specified by:

  isReadOnly in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• getConnection

  public java.sql.Connection getConnection()
                                    throws java.sql.SQLException

  JDBC 2.0 Retrieves the connection that produced this metadata object.

  Specified by:

  getConnection in interface java.sql.DatabaseMetaData

  Returns:

  the connection that produced this metadata object

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• nullPlusNonNullIsNull

  public boolean nullPlusNonNullIsNull()
                                throws java.sql.SQLException

  Retrieves whether this database supports concatenations between NULL and non-NULL values being NULL.

  Specified by:

  nullPlusNonNullIsNull in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• nullsAreSortedAtEnd

  public boolean nullsAreSortedAtEnd()
                              throws java.sql.SQLException

  Are NULL values sorted at the end regardless of sort order?

  Specified by:

  nullsAreSortedAtEnd in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• nullsAreSortedAtStart

  public boolean nullsAreSortedAtStart()
                                throws java.sql.SQLException

  Are NULL values sorted at the start regardless of sort order?

  Specified by:

  nullsAreSortedAtStart in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• nullsAreSortedHigh

  public boolean nullsAreSortedHigh()
                             throws java.sql.SQLException

  Are NULL values sorted high?

  Specified by:

  nullsAreSortedHigh in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• nullsAreSortedLow

  public boolean nullsAreSortedLow()
                            throws java.sql.SQLException

  Are NULL values sorted low?

  Specified by:

  nullsAreSortedLow in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesLowerCaseIdentifiers

  public boolean storesLowerCaseIdentifiers()
                                     throws java.sql.SQLException

  Does the database treat mixed case unquoted SQL identifiers as case insensitive and store them in lower case?

  Specified by:

  storesLowerCaseIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesLowerCaseQuotedIdentifiers

  public boolean storesLowerCaseQuotedIdentifiers()
                                           throws java.sql.SQLException

  Does the database treat mixed case quoted SQL identifiers as case insensitive and store them in lower case?

  Specified by:

  storesLowerCaseQuotedIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesMixedCaseIdentifiers

  public boolean storesMixedCaseIdentifiers()
                                     throws java.sql.SQLException

  Does the database treat mixed case unquoted SQL identifiers as case insensitive and store them in mixed case?

  Specified by:

  storesMixedCaseIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesMixedCaseQuotedIdentifiers

  public boolean storesMixedCaseQuotedIdentifiers()
                                           throws java.sql.SQLException

  Does the database treat mixed case quoted SQL identifiers as case insensitive and store them in mixed case?

  Specified by:

  storesMixedCaseQuotedIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesUpperCaseIdentifiers

  public boolean storesUpperCaseIdentifiers()
                                     throws java.sql.SQLException

  Does the database treat mixed case unquoted SQL identifiers as case insensitive and store them in upper case?

  Specified by:

  storesUpperCaseIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• storesUpperCaseQuotedIdentifiers

  public boolean storesUpperCaseQuotedIdentifiers()
                                           throws java.sql.SQLException

  Does the database treat mixed case quoted SQL identifiers as case insensitive and store them in upper case?

  Specified by:

  storesUpperCaseQuotedIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsAlterTableWithAddColumn

  public boolean supportsAlterTableWithAddColumn()
                                          throws java.sql.SQLException

  Is "ALTER TABLE" with add column supported?

  Specified by:

  supportsAlterTableWithAddColumn in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsAlterTableWithDropColumn

  public boolean supportsAlterTableWithDropColumn()
                                           throws java.sql.SQLException

  Is "ALTER TABLE" with drop column supported?

  Specified by:

  supportsAlterTableWithDropColumn in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsANSI92EntryLevelSQL

  public boolean supportsANSI92EntryLevelSQL()
                                      throws java.sql.SQLException

  Retrieves whether this database supports the ANSI92 entry level SQL grammar.

  Specified by:

  supportsANSI92EntryLevelSQL in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsANSI92FullSQL

  public boolean supportsANSI92FullSQL()
                                throws java.sql.SQLException

  Is the ANSI92 full SQL grammar supported?

  Specified by:

  supportsANSI92FullSQL in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsANSI92IntermediateSQL

  public boolean supportsANSI92IntermediateSQL()
                                        throws java.sql.SQLException

  Is the ANSI92 intermediate SQL grammar supported?

  Specified by:

  supportsANSI92IntermediateSQL in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCatalogsInDataManipulation

  public boolean supportsCatalogsInDataManipulation()
                                             throws java.sql.SQLException

  Can a catalog name be used in a data manipulation statement?

  Specified by:

  supportsCatalogsInDataManipulation in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCatalogsInIndexDefinitions

  public boolean supportsCatalogsInIndexDefinitions()
                                             throws java.sql.SQLException

  Can a catalog name be used in an index definition statement?

  Specified by:

  supportsCatalogsInIndexDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCatalogsInPrivilegeDefinitions

  public boolean supportsCatalogsInPrivilegeDefinitions()
                                                 throws java.sql.SQLException

  Can a catalog name be used in a privilege definition statement?

  Specified by:

  supportsCatalogsInPrivilegeDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCatalogsInProcedureCalls

  public boolean supportsCatalogsInProcedureCalls()
                                           throws java.sql.SQLException

  Can a catalog name be used in a procedure call statement?

  Specified by:

  supportsCatalogsInProcedureCalls in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCatalogsInTableDefinitions

  public boolean supportsCatalogsInTableDefinitions()
                                             throws java.sql.SQLException

  Can a catalog name be used in a table definition statement?

  Specified by:

  supportsCatalogsInTableDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsColumnAliasing

  public boolean supportsColumnAliasing()
                                 throws java.sql.SQLException

  Retrieves whether this database supports column aliasing.

  If so, the SQL AS clause can be used to provide names for computed columns or to provide alias names for columns as required. A JDBC-Compliant driver always returns true.

  Specified by:

  supportsColumnAliasing in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsConvert

  public boolean supportsConvert()
                          throws java.sql.SQLException

  Is the CONVERT function between SQL types supported?

  Specified by:

  supportsConvert in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsConvert

  public boolean supportsConvert​(int fromType,
                                 int toType)
                          throws java.sql.SQLException

  Is CONVERT between the given SQL types supported?

  Specified by:

  supportsConvert in interface java.sql.DatabaseMetaData

  Parameters:

  fromType - the type to convert from

  toType - the type to convert to

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCoreSQLGrammar

  public boolean supportsCoreSQLGrammar()
                                 throws java.sql.SQLException

  Is the ODBC Core SQL grammar supported?

  Specified by:

  supportsCoreSQLGrammar in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsCorrelatedSubqueries

  public boolean supportsCorrelatedSubqueries()
                                       throws java.sql.SQLException

  Retrieves whether this database supports correlated subqueries.

  Specified by:

  supportsCorrelatedSubqueries in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsDataDefinitionAndDataManipulationTransactions

  public boolean supportsDataDefinitionAndDataManipulationTransactions()
                                                                throws java.sql.SQLException

  Are both data definition and data manipulation statements within a transaction supported?

  Specified by:

  supportsDataDefinitionAndDataManipulationTransactions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsDataManipulationTransactionsOnly

  public boolean supportsDataManipulationTransactionsOnly()
                                                   throws java.sql.SQLException

  Are only data manipulation statements within a transaction supported?

  Specified by:

  supportsDataManipulationTransactionsOnly in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsDifferentTableCorrelationNames

  public boolean supportsDifferentTableCorrelationNames()
                                                 throws java.sql.SQLException

  If table correlation names are supported, are they restricted to be different from the names of the tables?

  Specified by:

  supportsDifferentTableCorrelationNames in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsExpressionsInOrderBy

  public boolean supportsExpressionsInOrderBy()
                                       throws java.sql.SQLException

  Are expressions in "ORDER BY" lists supported?

  Specified by:

  supportsExpressionsInOrderBy in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsExtendedSQLGrammar

  public boolean supportsExtendedSQLGrammar()
                                     throws java.sql.SQLException

  Is the ODBC Extended SQL grammar supported?

  Specified by:

  supportsExtendedSQLGrammar in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsFullOuterJoins

  public boolean supportsFullOuterJoins()
                                 throws java.sql.SQLException

  Are full nested outer joins supported?

  Specified by:

  supportsFullOuterJoins in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsGroupBy

  public boolean supportsGroupBy()
                          throws java.sql.SQLException

  Is some form of "GROUP BY" clause supported?

  Specified by:

  supportsGroupBy in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsGroupByBeyondSelect

  public boolean supportsGroupByBeyondSelect()
                                      throws java.sql.SQLException

  Can a "GROUP BY" clause add columns not in the SELECT provided it specifies all the columns in the SELECT?

  Specified by:

  supportsGroupByBeyondSelect in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsGroupByUnrelated

  public boolean supportsGroupByUnrelated()
                                   throws java.sql.SQLException

  Can a "GROUP BY" clause use columns not in the SELECT?

  Specified by:

  supportsGroupByUnrelated in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsIntegrityEnhancementFacility

  public boolean supportsIntegrityEnhancementFacility()
                                               throws java.sql.SQLException

  Is the SQL Integrity Enhancement Facility supported?

  Specified by:

  supportsIntegrityEnhancementFacility in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsLikeEscapeClause

  public boolean supportsLikeEscapeClause()
                                   throws java.sql.SQLException

  Retrieves whether this database supports specifying a LIKE escape clause.

  Specified by:

  supportsLikeEscapeClause in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsLimitedOuterJoins

  public boolean supportsLimitedOuterJoins()
                                    throws java.sql.SQLException

  Retrieves whether this database provides limited support for outer joins. (This will be true if the method supportsFullOuterJoins returns true).

  Specified by:

  supportsLimitedOuterJoins in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsMinimumSQLGrammar

  public boolean supportsMinimumSQLGrammar()
                                    throws java.sql.SQLException

  Retrieves whether this database supports the ODBC Minimum SQL grammar.

  Specified by:

  supportsMinimumSQLGrammar in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsMixedCaseIdentifiers

  public boolean supportsMixedCaseIdentifiers()
                                       throws java.sql.SQLException

  Retrieves whether this database treats mixed case unquoted SQL identifiers as case sensitive and as a result stores them in mixed case.

  Specified by:

  supportsMixedCaseIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsMixedCaseQuotedIdentifiers

  public boolean supportsMixedCaseQuotedIdentifiers()
                                             throws java.sql.SQLException

  Retrieves whether this database treats mixed case quoted SQL identifiers as case sensitive and as a result stores them in mixed case.

  Specified by:

  supportsMixedCaseQuotedIdentifiers in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsMultipleResultSets

  public boolean supportsMultipleResultSets()
                                     throws java.sql.SQLException

  Are multiple ResultSets from a single execute supported?

  Specified by:

  supportsMultipleResultSets in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsMultipleTransactions

  public boolean supportsMultipleTransactions()
                                       throws java.sql.SQLException

  Can we have multiple transactions open at once (on different connections)?

  Specified by:

  supportsMultipleTransactions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsNonNullableColumns

  public boolean supportsNonNullableColumns()
                                     throws java.sql.SQLException

  Retrieves whether columns in this database may be defined as non-nullable.

  Specified by:

  supportsNonNullableColumns in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOpenCursorsAcrossCommit

  public boolean supportsOpenCursorsAcrossCommit()
                                          throws java.sql.SQLException

  Can cursors remain open across commits?

  Specified by:

  supportsOpenCursorsAcrossCommit in interface java.sql.DatabaseMetaData

  Returns:

  true if cursors always remain open; false if they might not remain open

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOpenCursorsAcrossRollback

  public boolean supportsOpenCursorsAcrossRollback()
                                            throws java.sql.SQLException

  Can cursors remain open across rollbacks?

  Specified by:

  supportsOpenCursorsAcrossRollback in interface java.sql.DatabaseMetaData

  Returns:

  true if cursors always remain open; false if they might not remain open

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOpenStatementsAcrossCommit

  public boolean supportsOpenStatementsAcrossCommit()
                                             throws java.sql.SQLException

  Can statements remain open across commits?

  Specified by:

  supportsOpenStatementsAcrossCommit in interface java.sql.DatabaseMetaData

  Returns:

  true if statements always remain open; false if they might not remain open

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOpenStatementsAcrossRollback

  public boolean supportsOpenStatementsAcrossRollback()
                                               throws java.sql.SQLException

  Can statements remain open across rollbacks?

  Specified by:

  supportsOpenStatementsAcrossRollback in interface java.sql.DatabaseMetaData

  Returns:

  true if statements always remain open; false if they might not remain open

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOrderByUnrelated

  public boolean supportsOrderByUnrelated()
                                   throws java.sql.SQLException

  Can an "ORDER BY" clause use columns not in the SELECT?

  Specified by:

  supportsOrderByUnrelated in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsOuterJoins

  public boolean supportsOuterJoins()
                             throws java.sql.SQLException

  Is some form of outer join supported?

  Specified by:

  supportsOuterJoins in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsPositionedDelete

  public boolean supportsPositionedDelete()
                                   throws java.sql.SQLException

  Is positioned DELETE supported?

  Specified by:

  supportsPositionedDelete in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsPositionedUpdate

  public boolean supportsPositionedUpdate()
                                   throws java.sql.SQLException

  Is positioned UPDATE supported?

  Specified by:

  supportsPositionedUpdate in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSchemasInDataManipulation

  public boolean supportsSchemasInDataManipulation()
                                            throws java.sql.SQLException

  Can a schema name be used in a data manipulation statement?

  Specified by:

  supportsSchemasInDataManipulation in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSchemasInIndexDefinitions

  public boolean supportsSchemasInIndexDefinitions()
                                            throws java.sql.SQLException

  Can a schema name be used in an index definition statement?

  Specified by:

  supportsSchemasInIndexDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSchemasInPrivilegeDefinitions

  public boolean supportsSchemasInPrivilegeDefinitions()
                                                throws java.sql.SQLException

  Can a schema name be used in a privilege definition statement?

  Specified by:

  supportsSchemasInPrivilegeDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSchemasInProcedureCalls

  public boolean supportsSchemasInProcedureCalls()
                                          throws java.sql.SQLException

  Can a schema name be used in a procedure call statement?

  Specified by:

  supportsSchemasInProcedureCalls in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSchemasInTableDefinitions

  public boolean supportsSchemasInTableDefinitions()
                                            throws java.sql.SQLException

  Can a schema name be used in a table definition statement?

  Specified by:

  supportsSchemasInTableDefinitions in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSelectForUpdate

  public boolean supportsSelectForUpdate()
                                  throws java.sql.SQLException

  Is SELECT for UPDATE supported?

  Specified by:

  supportsSelectForUpdate in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsStoredProcedures

  public boolean supportsStoredProcedures()
                                   throws java.sql.SQLException

  Are stored procedure calls using the stored procedure escape syntax supported?

  Specified by:

  supportsStoredProcedures in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSubqueriesInComparisons

  public boolean supportsSubqueriesInComparisons()
                                          throws java.sql.SQLException

  Retrieves whether this database supports subqueries in comparison expressions.

  Specified by:

  supportsSubqueriesInComparisons in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSubqueriesInExists

  public boolean supportsSubqueriesInExists()
                                     throws java.sql.SQLException

  Retrieves whether this database supports subqueries in EXISTS expressions.

  Specified by:

  supportsSubqueriesInExists in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSubqueriesInIns

  public boolean supportsSubqueriesInIns()
                                  throws java.sql.SQLException

  Retrieves whether this database supports subqueries in IN statements.

  Specified by:

  supportsSubqueriesInIns in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsSubqueriesInQuantifieds

  public boolean supportsSubqueriesInQuantifieds()
                                          throws java.sql.SQLException

  Retrieves whether this database supports subqueries in quantified expressions.

  Specified by:

  supportsSubqueriesInQuantifieds in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsTableCorrelationNames

  public boolean supportsTableCorrelationNames()
                                        throws java.sql.SQLException

  Retrieves whether this database supports table correlation names.

  Specified by:

  supportsTableCorrelationNames in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsTransactionIsolationLevel

  public boolean supportsTransactionIsolationLevel​(int level)
                                            throws java.sql.SQLException

  Does the database support the given transaction isolation level?

  Specified by:

  supportsTransactionIsolationLevel in interface java.sql.DatabaseMetaData

  Parameters:

  level - the values are defined in java.sql.Connection

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

  See Also:

  Connection

• supportsTransactions

  public boolean supportsTransactions()
                               throws java.sql.SQLException

  Retrieves whether this database supports transactions. If not, invoking the method commit is a noop, and the isolation level is TRANSACTION_NONE.

  Specified by:

  supportsTransactions in interface java.sql.DatabaseMetaData

  Returns:

  true if transactions are supported

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsUnion

  public boolean supportsUnion()
                        throws java.sql.SQLException

  Is SQL UNION supported?

  Specified by:

  supportsUnion in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsUnionAll

  public boolean supportsUnionAll()
                           throws java.sql.SQLException

  Is SQL UNION ALL supported?

  Specified by:

  supportsUnionAll in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• usesLocalFilePerTable

  public boolean usesLocalFilePerTable()
                                throws java.sql.SQLException

  Does the database use a file for each table?

  Specified by:

  usesLocalFilePerTable in interface java.sql.DatabaseMetaData

  Returns:

  true if the database uses a local file for each table

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• usesLocalFiles

  public boolean usesLocalFiles()
                         throws java.sql.SQLException

  Does the database store tables in a local file?

  Specified by:

  usesLocalFiles in interface java.sql.DatabaseMetaData

  Returns:

  true if so

  Throws:

  java.sql.SQLException - if a database-access error occurs.

• supportsResultSetType

  public boolean supportsResultSetType​(int type)
                                throws java.sql.SQLException

  Does the database support the given result set type?

  Supported types for SQL Server:

  JDBC type	SQL Server cursor type	Server load	Description
  TYPE_FORWARD_ONLY	Forward-only, dynamic (fast forward-only, static with useCursors=true)	Light	Fast, will read all data (less fast, doesn't read all data with useCursors=true). Forward only.
  TYPE_SCROLL_INSENSITIVE	Static cursor	Heavy	Only use with CONCUR_READ_ONLY. SQL Server generates a temporary table, so changes made by others are not visible. Scrollable.
  TYPE_SCROLL_SENSITIVE	Keyset cursor	Medium	Others' updates or deletes visible, but not others' inserts. Scrollable.
  TYPE_SCROLL_SENSITIVE + 1	Dynamic cursor	Heavy	Others' updates, deletes and inserts visible. Scrollable.

  Specified by:

  supportsResultSetType in interface java.sql.DatabaseMetaData

  Parameters:

  type - defined in java.sql.ResultSet

  Returns:

  true if so; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

  See Also:

  Connection, supportsResultSetConcurrency(int, int)

• supportsResultSetConcurrency

  public boolean supportsResultSetConcurrency​(int type,
                                              int concurrency)
                                       throws java.sql.SQLException

  Does the database support the concurrency type in combination with the given result set type?

  Supported concurrencies for SQL Server:

  JDBC concurrency	SQL Server concurrency	Row locks	Description
  CONCUR_READ_ONLY	Read only	No	Read-only.
  CONCUR_UPDATABLE	Optimistic concurrency, updatable	No	Row integrity checked with timestamp comparison or, when not available, value comparison (except text and image fields).
  CONCUR_UPDATABLE+1	Pessimistic concurrency, updatable	Yes	Row integrity is ensured by locking rows.
  CONCUR_UPDATABLE+2	Optimistic concurrency, updatable	No	Row integrity checked with value comparison (except text and image fields).

  Specified by:

  supportsResultSetConcurrency in interface java.sql.DatabaseMetaData

  Parameters:

  type - defined in java.sql.ResultSet

  concurrency - type defined in java.sql.ResultSet

  Returns:

  true if so; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

  See Also:

  Connection, supportsResultSetType(int)

• ownUpdatesAreVisible

  public boolean ownUpdatesAreVisible​(int type)
                               throws java.sql.SQLException

  JDBC 2.0 Indicates whether a result set's own updates are visible.

  Specified by:

  ownUpdatesAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if updates are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• ownDeletesAreVisible

  public boolean ownDeletesAreVisible​(int type)
                               throws java.sql.SQLException

  JDBC 2.0 Indicates whether a result set's own deletes are visible.

  Specified by:

  ownDeletesAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if deletes are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• ownInsertsAreVisible

  public boolean ownInsertsAreVisible​(int type)
                               throws java.sql.SQLException

  JDBC 2.0 Indicates whether a result set's own inserts are visible.

  Specified by:

  ownInsertsAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if inserts are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• othersUpdatesAreVisible

  public boolean othersUpdatesAreVisible​(int type)
                                  throws java.sql.SQLException

  JDBC 2.0 Indicates whether updates made by others are visible.

  Specified by:

  othersUpdatesAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if updates made by others are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• othersDeletesAreVisible

  public boolean othersDeletesAreVisible​(int type)
                                  throws java.sql.SQLException

  JDBC 2.0 Indicates whether deletes made by others are visible.

  Specified by:

  othersDeletesAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if deletes made by others are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• othersInsertsAreVisible

  public boolean othersInsertsAreVisible​(int type)
                                  throws java.sql.SQLException

  JDBC 2.0 Indicates whether inserts made by others are visible.

  Specified by:

  othersInsertsAreVisible in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if inserts made by others are visible for the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• updatesAreDetected

  public boolean updatesAreDetected​(int type)
                             throws java.sql.SQLException

  JDBC 2.0 Indicates whether or not a visible row update can be detected by calling the method ResultSet.rowUpdated .

  Specified by:

  updatesAreDetected in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if changes are detected by the result set type; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• deletesAreDetected

  public boolean deletesAreDetected​(int type)
                             throws java.sql.SQLException

  JDBC 2.0 Indicates whether or not a visible row delete can be detected by calling ResultSet.rowDeleted(). If deletesAreDetected() returns false, then deleted rows are removed from the result set.

  Specified by:

  deletesAreDetected in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if changes are detected by the result set type

  Throws:

  java.sql.SQLException - if a database access error occurs

• insertsAreDetected

  public boolean insertsAreDetected​(int type)
                             throws java.sql.SQLException

  JDBC 2.0 Indicates whether or not a visible row insert can be detected by calling ResultSet.rowInserted().

  Specified by:

  insertsAreDetected in interface java.sql.DatabaseMetaData

  Parameters:

  type - ResultSet type

  Returns:

  true if changes are detected by the result set type

  Throws:

  java.sql.SQLException - if a database access error occurs

• supportsBatchUpdates

  public boolean supportsBatchUpdates()
                               throws java.sql.SQLException

  JDBC 2.0 Indicates whether the driver supports batch updates.

  Specified by:

  supportsBatchUpdates in interface java.sql.DatabaseMetaData

  Returns:

  true if the driver supports batch updates; false otherwise

  Throws:

  java.sql.SQLException - if a database access error occurs

• setCaseSensitiveFlag

  private void setCaseSensitiveFlag()
                             throws java.sql.SQLException

  Throws:

  java.sql.SQLException

• getAttributes

  public java.sql.ResultSet getAttributes​(java.lang.String catalog,
                                          java.lang.String schemaPattern,
                                          java.lang.String typeNamePattern,
                                          java.lang.String attributeNamePattern)
                                   throws java.sql.SQLException

  Specified by:

  getAttributes in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getDatabaseMajorVersion

  public int getDatabaseMajorVersion()
                              throws java.sql.SQLException

  Returns the database major version.

  Specified by:

  getDatabaseMajorVersion in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getDatabaseMinorVersion

  public int getDatabaseMinorVersion()
                              throws java.sql.SQLException

  Returns the database minor version.

  Specified by:

  getDatabaseMinorVersion in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getJDBCMajorVersion

  public int getJDBCMajorVersion()
                          throws java.sql.SQLException

  Returns the JDBC major version.

  Specified by:

  getJDBCMajorVersion in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getJDBCMinorVersion

  public int getJDBCMinorVersion()
                          throws java.sql.SQLException

  Returns the JDBC minor version.

  Specified by:

  getJDBCMinorVersion in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getResultSetHoldability

  public int getResultSetHoldability()
                              throws java.sql.SQLException

  Specified by:

  getResultSetHoldability in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getSQLStateType

  public int getSQLStateType()
                      throws java.sql.SQLException

  Specified by:

  getSQLStateType in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getSuperTables

  public java.sql.ResultSet getSuperTables​(java.lang.String catalog,
                                           java.lang.String schemaPattern,
                                           java.lang.String tableNamePattern)
                                    throws java.sql.SQLException

  Specified by:

  getSuperTables in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getSuperTypes

  public java.sql.ResultSet getSuperTypes​(java.lang.String catalog,
                                          java.lang.String schemaPattern,
                                          java.lang.String typeNamePattern)
                                   throws java.sql.SQLException

  Specified by:

  getSuperTypes in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• locatorsUpdateCopy

  public boolean locatorsUpdateCopy()
                             throws java.sql.SQLException

  Returns true if updates are made to a copy of the LOB; returns false if LOB updates are made directly to the database.

  NOTE: Since SQL Server / Sybase do not support LOB locators as Oracle does (AFAIK); this method always returns true.

  Specified by:

  locatorsUpdateCopy in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsGetGeneratedKeys

  public boolean supportsGetGeneratedKeys()
                                   throws java.sql.SQLException

  Returns true if getting auto-generated keys is supported after a statment is executed; returns false otherwise

  Specified by:

  supportsGetGeneratedKeys in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsMultipleOpenResults

  public boolean supportsMultipleOpenResults()
                                      throws java.sql.SQLException

  Returns true if Callable statements can return multiple result sets; returns false if they can only return one result set.

  Specified by:

  supportsMultipleOpenResults in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsNamedParameters

  public boolean supportsNamedParameters()
                                  throws java.sql.SQLException

  Returns true if the database supports named parameters; returns false if the database does not support named parameters.

  Specified by:

  supportsNamedParameters in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsResultSetHoldability

  public boolean supportsResultSetHoldability​(int param)
                                       throws java.sql.SQLException

  Specified by:

  supportsResultSetHoldability in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsSavepoints

  public boolean supportsSavepoints()
                             throws java.sql.SQLException

  Returns true if savepoints are supported; returns false otherwise

  Specified by:

  supportsSavepoints in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsStatementPooling

  public boolean supportsStatementPooling()
                                   throws java.sql.SQLException

  Returns true if the database supports statement pooling; returns false otherwise.

  Specified by:

  supportsStatementPooling in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• processEscapes

  private static java.lang.String processEscapes​(java.lang.String pattern)

  Format the supplied search pattern to transform the escape \x into [x].

  Parameters:

  pattern - the pattern to tranform

  Returns:

  the transformed pattern as a String

• syscall

  private java.lang.String syscall​(java.lang.String catalog,
                                   java.lang.String call)

  Format the supplied procedure call as a valid JDBC call escape.

  Parameters:

  catalog - the database name or null

  call - the stored procedure call to format

  Returns:

  the formatted call escape as a String

• upperCaseColumnNames

  private static void upperCaseColumnNames​(JtdsResultSet results)
                                    throws java.sql.SQLException

  Uppercase all column names.

  Sybase returns column names in lowecase while the JDBC standard suggests they should be uppercase.

  Parameters:

  results - the result set to modify

  Throws:

  java.sql.SQLException

• createTypeInfoResultSet

  private static CachedResultSet createTypeInfoResultSet​(JtdsResultSet rs,
                                                         boolean useLOBs)
                                                  throws java.sql.SQLException

  Throws:

  java.sql.SQLException

• getSortedTypes

  private static java.util.Collection getSortedTypes​(java.sql.ResultSet rs,
                                                     boolean useLOBs)
                                              throws java.sql.SQLException

  Throws:

  java.sql.SQLException

• autoCommitFailureClosesAllResultSets

  public boolean autoCommitFailureClosesAllResultSets()
                                               throws java.sql.SQLException

  Specified by:

  autoCommitFailureClosesAllResultSets in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getClientInfoProperties

  public java.sql.ResultSet getClientInfoProperties()
                                             throws java.sql.SQLException

  Specified by:

  getClientInfoProperties in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getFunctionColumns

  public java.sql.ResultSet getFunctionColumns​(java.lang.String catalog,
                                               java.lang.String schemaPattern,
                                               java.lang.String functionNamePattern,
                                               java.lang.String columnNamePattern)
                                        throws java.sql.SQLException

  Specified by:

  getFunctionColumns in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getFunctions

  public java.sql.ResultSet getFunctions​(java.lang.String catalog,
                                         java.lang.String schemaPattern,
                                         java.lang.String functionNamePattern)
                                  throws java.sql.SQLException

  Specified by:

  getFunctions in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getRowIdLifetime

  public java.sql.RowIdLifetime getRowIdLifetime()
                                          throws java.sql.SQLException

  Specified by:

  getRowIdLifetime in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• getSchemas

  public java.sql.ResultSet getSchemas​(java.lang.String catalog,
                                       java.lang.String schemaPattern)
                                throws java.sql.SQLException

  Specified by:

  getSchemas in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• supportsStoredFunctionsUsingCallSyntax

  public boolean supportsStoredFunctionsUsingCallSyntax()
                                                 throws java.sql.SQLException

  Specified by:

  supportsStoredFunctionsUsingCallSyntax in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• isWrapperFor

  public boolean isWrapperFor​(java.lang.Class arg0)
                       throws java.sql.SQLException

  Specified by:

  isWrapperFor in interface java.sql.Wrapper

  Throws:

  java.sql.SQLException

• unwrap

  public java.lang.Object unwrap​(java.lang.Class arg0)
                          throws java.sql.SQLException

  Specified by:

  unwrap in interface java.sql.Wrapper

  Throws:

  java.sql.SQLException

• getPseudoColumns

  public java.sql.ResultSet getPseudoColumns​(java.lang.String catalog,
                                             java.lang.String schemaPattern,
                                             java.lang.String tableNamePattern,
                                             java.lang.String columnNamePattern)
                                      throws java.sql.SQLException

  Specified by:

  getPseudoColumns in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException

• generatedKeyAlwaysReturned

  public boolean generatedKeyAlwaysReturned()
                                     throws java.sql.SQLException

  Specified by:

  generatedKeyAlwaysReturned in interface java.sql.DatabaseMetaData

  Throws:

  java.sql.SQLException