Java java.sql DatabaseMetaData fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for java.sql DatabaseMetaData.

The text is from its open source code.

Implementation

java.sql.DatabaseMetaData has the following implementations.
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Field

int	procedureResultUnknown Indicates that it is not known whether the procedure returns a result.
int	procedureNoResult Indicates that the procedure does not return a result.
int	procedureReturnsResult Indicates that the procedure returns a result.
int	procedureColumnUnknown Indicates that type of the column is unknown.
int	procedureColumnIn Indicates that the column stores IN parameters.
int	procedureColumnInOut Indicates that the column stores INOUT parameters.
int	procedureColumnOut Indicates that the column stores OUT parameters.
int	procedureColumnReturn Indicates that the column stores return values.
int	procedureColumnResult Indicates that the column stores results.
int	procedureNoNulls Indicates that `NULL` values are not allowed.
int	procedureNullable Indicates that `NULL` values are allowed.
int	columnNoNulls Indicates that the column might not allow `NULL` values.
int	columnNullable Indicates that the column definitely allows `NULL` values.
int	columnNullableUnknown Indicates that the nullability of columns is unknown.
int	bestRowTemporary Indicates that the scope of the best row identifier is very temporary, lasting only while the row is being used.
int	bestRowSession Indicates that the scope of the best row identifier is the remainder of the current session.
int	bestRowNotPseudo Indicates that the best row identifier is NOT a pseudo column.
int	versionColumnNotPseudo Indicates that this version column is NOT a pseudo column.
int	versionColumnPseudo Indicates that this version column is a pseudo column.
int	importedKeyCascade For the column `UPDATE_RULE`, indicates that when the primary key is updated, the foreign key (imported key) is changed to agree with it.
int	importedKeyRestrict For the column `UPDATE_RULE`, indicates that a primary key may not be updated if it has been imported by another table as a foreign key.
int	importedKeySetNull For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that when the primary key is updated or deleted, the foreign key (imported key) is changed to `NULL`.
int	importedKeyNoAction For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that if the primary key has been imported, it cannot be updated or deleted.
int	importedKeySetDefault For the columns `UPDATE_RULE` and `DELETE_RULE`, indicates that if the primary key is updated or deleted, the foreign key (imported key) is set to the default value.
int	importedKeyInitiallyDeferred Indicates deferrability.
int	importedKeyInitiallyImmediate Indicates deferrability.
int	importedKeyNotDeferrable Indicates deferrability.
int	typeNoNulls Indicates that a `NULL` value is NOT allowed for this data type.
int	typeNullable Indicates that a `NULL` value is allowed for this data type.
int	typeSearchable Indicates that all `WHERE` search clauses can be based on this type.
short	tableIndexStatistic Indicates that this column contains table statistics that are returned in conjunction with a table's index descriptions.
short	tableIndexClustered Indicates that this table index is a clustered index.
short	tableIndexHashed Indicates that this table index is a hashed index.
short	tableIndexOther Indicates that this table index is not a clustered index, a hashed index, or table statistics; it is something other than these.
short	attributeNoNulls Indicates that `NULL` values might not be allowed.
short	attributeNullable Indicates that `NULL` values are definitely allowed.
short	attributeNullableUnknown Indicates that whether `NULL` values are allowed is not known.
int	sqlStateXOpen A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an X/Open (now know as Open Group) SQL CLI SQLSTATE value.
int	sqlStateSQL A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an SQLSTATE value.
int	sqlStateSQL99 A possible return value for the method `DatabaseMetaData.getSQLStateType` which is used to indicate whether the value returned by the method `SQLException.getSQLState` is an SQL99 SQLSTATE value.

Method

boolean	allProceduresAreCallable() Retrieves whether the current user can call all the procedures returned by the method `getProcedures`.
boolean	allTablesAreSelectable() Retrieves whether the current user can use all the tables returned by the method `getTables` in a `SELECT` statement.
boolean	dataDefinitionCausesTransactionCommit() Retrieves whether a data definition statement within a transaction forces the transaction to commit.
boolean	dataDefinitionIgnoredInTransactions() Retrieves whether this database ignores a data definition statement within a transaction.
boolean	doesMaxRowSizeIncludeBlobs() Retrieves whether the return value for the method `getMaxRowSize` includes the SQL data types `LONGVARCHAR` and `LONGVARBINARY`.
boolean	equals(Object obj) Indicates whether some other object is "equal to" this one.
ResultSet	getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable) Retrieves a description of a table's optimal set of columns that uniquely identifies a row.
ResultSet	getCatalogs() Retrieves the catalog names available in this database.
String	getCatalogSeparator() Retrieves the `String` that this database uses as the separator between a catalog and table name.
String	getCatalogTerm() Retrieves the database vendor's preferred term for "catalog".
Class	getClass() Returns the runtime class of this Object .
ResultSet	getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern) Retrieves a description of the access rights for a table's columns.
ResultSet	getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) Retrieves a description of table columns available in the specified catalog.
Connection	getConnection() Retrieves the connection that produced this metadata object.
ResultSet	getCrossReference(String parentCatalog, String parentSchema, String parentTable, String foreignCatalog, String foreignSchema, String foreignTable) Retrieves a description of the foreign key columns in the given foreign key table that reference the primary key or the columns representing a unique constraint of the parent table (could be the same or a different table).
int	getDatabaseMajorVersion() Retrieves the major version number of the underlying database.
int	getDatabaseMinorVersion() Retrieves the minor version number of the underlying database.
String	getDatabaseProductName() Retrieves the name of this database product.
String	getDatabaseProductVersion() Retrieves the version number of this database product.
int	getDefaultTransactionIsolation() Retrieves this database's default transaction isolation level.
int	getDriverMajorVersion() Retrieves this JDBC driver's major version number.
int	getDriverMinorVersion() Retrieves this JDBC driver's minor version number.
String	getDriverName() Retrieves the name of this JDBC driver.
String	getDriverVersion() Retrieves the version number of this JDBC driver as a `String`.
ResultSet	getExportedKeys(String catalog, String schema, String table) Retrieves a description of the foreign key columns that reference the given table's primary key columns (the foreign keys exported by a table).
String	getExtraNameCharacters() Retrieves all the "extra" characters that can be used in unquoted identifier names (those beyond a-z, A-Z, 0-9 and _).
ResultSet	getFunctionColumns(String catalog, String schemaPattern, String functionNamePattern, String columnNamePattern) Retrieves a description of the given catalog's system or user function parameters and return type.
ResultSet	getFunctions(String catalog, String schemaPattern, String functionNamePattern) Retrieves a description of the system and user functions available in the given catalog.
String	getIdentifierQuoteString() Retrieves the string used to quote SQL identifiers.
ResultSet	getImportedKeys(String catalog, String schema, String table) Retrieves a description of the primary key columns that are referenced by the given table's foreign key columns (the primary keys imported by a table).
ResultSet	getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate) Retrieves a description of the given table's indices and statistics.
int	getJDBCMajorVersion() Retrieves the major JDBC version number for this driver.
int	getJDBCMinorVersion() Retrieves the minor JDBC version number for this driver.
int	getMaxBinaryLiteralLength() Retrieves the maximum number of hex characters this database allows in an inline binary literal.
int	getMaxCatalogNameLength() Retrieves the maximum number of characters that this database allows in a catalog name.
int	getMaxCharLiteralLength() Retrieves the maximum number of characters this database allows for a character literal.
int	getMaxColumnNameLength() Retrieves the maximum number of characters this database allows for a column name.
int	getMaxColumnsInGroupBy() Retrieves the maximum number of columns this database allows in a `GROUP BY` clause.
int	getMaxColumnsInIndex() Retrieves the maximum number of columns this database allows in an index.
int	getMaxColumnsInOrderBy() Retrieves the maximum number of columns this database allows in an `ORDER BY` clause.
int	getMaxColumnsInSelect() Retrieves the maximum number of columns this database allows in a `SELECT` list.
int	getMaxColumnsInTable() Retrieves the maximum number of columns this database allows in a table.
int	getMaxConnections() Retrieves the maximum number of concurrent connections to this database that are possible.
int	getMaxCursorNameLength() Retrieves the maximum number of characters that this database allows in a cursor name.
int	getMaxIndexLength() Retrieves the maximum number of bytes this database allows for an index, including all of the parts of the index.
int	getMaxProcedureNameLength() Retrieves the maximum number of characters that this database allows in a procedure name.
int	getMaxRowSize() Retrieves the maximum number of bytes this database allows in a single row.
int	getMaxSchemaNameLength() Retrieves the maximum number of characters that this database allows in a schema name.
int	getMaxStatementLength() Retrieves the maximum number of characters this database allows in an SQL statement.
int	getMaxStatements() Retrieves the maximum number of active statements to this database that can be open at the same time.
int	getMaxTableNameLength() Retrieves the maximum number of characters this database allows in a table name.
int	getMaxTablesInSelect() Retrieves the maximum number of tables this database allows in a `SELECT` statement.
int	getMaxUserNameLength() Retrieves the maximum number of characters this database allows in a user name.
String	getNumericFunctions() Retrieves a comma-separated list of math functions available with this database.
ResultSet	getPrimaryKeys(String catalog, String schema, String table) Retrieves a description of the given table's primary key columns.
ResultSet	getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern) Retrieves a description of the given catalog's stored procedure parameter and result columns.
ResultSet	getProcedures(String catalog, String schemaPattern, String procedureNamePattern) Retrieves a description of the stored procedures available in the given catalog.
String	getProcedureTerm() Retrieves the database vendor's preferred term for "procedure".
ResultSet	getPseudoColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) Retrieves a description of the pseudo or hidden columns available in a given table within the specified catalog and schema.
int	getResultSetHoldability() Retrieves this database's default holdability for `ResultSet` objects.
RowIdLifetime	getRowIdLifetime() Indicates whether this data source supports the SQL ROWID type, and the lifetime for which a RowId object remains valid.
ResultSet	getSchemas() Retrieves the schema names available in this database.
ResultSet	getSchemas(String catalog, String schemaPattern) Retrieves the schema names available in this database.
String	getSchemaTerm() Retrieves the database vendor's preferred term for "schema".
String	getSearchStringEscape() Retrieves the string that can be used to escape wildcard characters.
String	getSQLKeywords() Retrieves a comma-separated list of all of this database's SQL keywords that are NOT also SQL:2003 keywords.
int	getSQLStateType() Indicates whether the SQLSTATE returned by `SQLException.getSQLState` is X/Open (now known as Open Group) SQL CLI or SQL:2003.
String	getStringFunctions() Retrieves a comma-separated list of string functions available with this database.
String	getSystemFunctions() Retrieves a comma-separated list of system functions available with this database.
ResultSet	getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) Retrieves a description of the access rights for each table available in a catalog.
ResultSet	getTables(String catalog, String schemaPattern, String tableNamePattern, String types[]) Retrieves a description of the tables available in the given catalog.
ResultSet	getTableTypes() Retrieves the table types available in this database.
String	getTimeDateFunctions() Retrieves a comma-separated list of the time and date functions available with this database.
ResultSet	getTypeInfo() Retrieves a description of all the data types supported by this database.
ResultSet	getUDTs(String catalog, String schemaPattern, String typeNamePattern, int[] types) Retrieves a description of the user-defined types (UDTs) defined in a particular schema.
String	getURL() Retrieves the URL for this DBMS.
String	getUserName() Retrieves the user name as known to this database.
ResultSet	getVersionColumns(String catalog, String schema, String table) Retrieves a description of a table's columns that are automatically updated when any value in a row is updated.
boolean	insertsAreDetected(int type) Retrieves whether or not a visible row insert can be detected by calling the method `ResultSet.rowInserted`.
boolean	isCatalogAtStart() Retrieves whether a catalog appears at the start of a fully qualified table name.
boolean	isReadOnly() Retrieves whether this database is in read-only mode.
boolean	nullPlusNonNullIsNull() Retrieves whether this database supports concatenations between `NULL` and non-`NULL` values being `NULL`.
boolean	nullsAreSortedAtEnd() Retrieves whether `NULL` values are sorted at the end regardless of sort order.
boolean	nullsAreSortedAtStart() Retrieves whether `NULL` values are sorted at the start regardless of sort order.
boolean	nullsAreSortedHigh() Retrieves whether `NULL` values are sorted high.
boolean	nullsAreSortedLow() Retrieves whether `NULL` values are sorted low.
boolean	othersDeletesAreVisible(int type) Retrieves whether deletes made by others are visible.
boolean	othersInsertsAreVisible(int type) Retrieves whether inserts made by others are visible.
boolean	othersUpdatesAreVisible(int type) Retrieves whether updates made by others are visible.
boolean	ownDeletesAreVisible(int type) Retrieves whether a result set's own deletes are visible.
boolean	ownInsertsAreVisible(int type) Retrieves whether a result set's own inserts are visible.
boolean	ownUpdatesAreVisible(int type) Retrieves whether for the given type of `ResultSet` object, the result set's own updates are visible.
boolean	storesLowerCaseIdentifiers() Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in lower case.
boolean	storesLowerCaseQuotedIdentifiers() Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in lower case.
boolean	storesMixedCaseIdentifiers() Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in mixed case.
boolean	storesMixedCaseQuotedIdentifiers() Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in mixed case.
boolean	storesUpperCaseIdentifiers() Retrieves whether this database treats mixed case unquoted SQL identifiers as case insensitive and stores them in upper case.
boolean	storesUpperCaseQuotedIdentifiers() Retrieves whether this database treats mixed case quoted SQL identifiers as case insensitive and stores them in upper case.
boolean	supportsAlterTableWithAddColumn() Retrieves whether this database supports `ALTER TABLE` with add column.
boolean	supportsAlterTableWithDropColumn() Retrieves whether this database supports `ALTER TABLE` with drop column.
boolean	supportsANSI92EntryLevelSQL() Retrieves whether this database supports the ANSI92 entry level SQL grammar.
boolean	supportsANSI92FullSQL() Retrieves whether this database supports the ANSI92 full SQL grammar supported.
boolean	supportsANSI92IntermediateSQL() Retrieves whether this database supports the ANSI92 intermediate SQL grammar supported.
boolean	supportsBatchUpdates() Retrieves whether this database supports batch updates.
boolean	supportsCatalogsInDataManipulation() Retrieves whether a catalog name can be used in a data manipulation statement.
boolean	supportsCatalogsInIndexDefinitions() Retrieves whether a catalog name can be used in an index definition statement.
boolean	supportsCatalogsInPrivilegeDefinitions() Retrieves whether a catalog name can be used in a privilege definition statement.
boolean	supportsCatalogsInProcedureCalls() Retrieves whether a catalog name can be used in a procedure call statement.
boolean	supportsCatalogsInTableDefinitions() Retrieves whether a catalog name can be used in a table definition statement.
boolean	supportsColumnAliasing() Retrieves whether this database supports column aliasing.
boolean	supportsConvert() Retrieves whether this database supports the JDBC scalar function `CONVERT` for the conversion of one JDBC type to another.
boolean	supportsConvert(int fromType, int toType) Retrieves whether this database supports the JDBC scalar function `CONVERT` for conversions between the JDBC types fromType and toType.
boolean	supportsCoreSQLGrammar() Retrieves whether this database supports the ODBC Core SQL grammar.
boolean	supportsCorrelatedSubqueries() Retrieves whether this database supports correlated subqueries.
boolean	supportsDataDefinitionAndDataManipulationTransactions() Retrieves whether this database supports both data definition and data manipulation statements within a transaction.
boolean	supportsDataManipulationTransactionsOnly() Retrieves whether this database supports only data manipulation statements within a transaction.
boolean	supportsDifferentTableCorrelationNames() Retrieves whether, when table correlation names are supported, they are restricted to being different from the names of the tables.
boolean	supportsExpressionsInOrderBy() Retrieves whether this database supports expressions in `ORDER BY` lists.
boolean	supportsExtendedSQLGrammar() Retrieves whether this database supports the ODBC Extended SQL grammar.
boolean	supportsFullOuterJoins() Retrieves whether this database supports full nested outer joins.
boolean	supportsGetGeneratedKeys() Retrieves whether auto-generated keys can be retrieved after a statement has been executed
boolean	supportsGroupBy() Retrieves whether this database supports some form of `GROUP BY` clause.
boolean	supportsGroupByBeyondSelect() Retrieves whether this database supports using columns not included in the `SELECT` statement in a `GROUP BY` clause provided that all of the columns in the `SELECT` statement are included in the `GROUP BY` clause.
boolean	supportsGroupByUnrelated() Retrieves whether this database supports using a column that is not in the `SELECT` statement in a `GROUP BY` clause.
boolean	supportsIntegrityEnhancementFacility() Retrieves whether this database supports the SQL Integrity Enhancement Facility.
boolean	supportsLikeEscapeClause() Retrieves whether this database supports specifying a `LIKE` escape clause.
boolean	supportsLimitedOuterJoins() Retrieves whether this database provides limited support for outer joins.
boolean	supportsMinimumSQLGrammar() Retrieves whether this database supports the ODBC Minimum SQL grammar.
boolean	supportsMixedCaseIdentifiers() Retrieves whether this database treats mixed case unquoted SQL identifiers as case sensitive and as a result stores them in mixed case.
boolean	supportsMixedCaseQuotedIdentifiers() Retrieves whether this database treats mixed case quoted SQL identifiers as case sensitive and as a result stores them in mixed case.
boolean	supportsMultipleOpenResults() Retrieves whether it is possible to have multiple `ResultSet` objects returned from a `CallableStatement` object simultaneously.
boolean	supportsMultipleResultSets() Retrieves whether this database supports getting multiple `ResultSet` objects from a single call to the method `execute`.
boolean	supportsMultipleTransactions() Retrieves whether this database allows having multiple transactions open at once (on different connections).
boolean	supportsNamedParameters() Retrieves whether this database supports named parameters to callable statements.
boolean	supportsNonNullableColumns() Retrieves whether columns in this database may be defined as non-nullable.
boolean	supportsOpenCursorsAcrossCommit() Retrieves whether this database supports keeping cursors open across commits.
boolean	supportsOpenCursorsAcrossRollback() Retrieves whether this database supports keeping cursors open across rollbacks.
boolean	supportsOpenStatementsAcrossCommit() Retrieves whether this database supports keeping statements open across commits.
boolean	supportsOpenStatementsAcrossRollback() Retrieves whether this database supports keeping statements open across rollbacks.
boolean	supportsOrderByUnrelated() Retrieves whether this database supports using a column that is not in the `SELECT` statement in an `ORDER BY` clause.
boolean	supportsOuterJoins() Retrieves whether this database supports some form of outer join.
boolean	supportsPositionedDelete() Retrieves whether this database supports positioned `DELETE` statements.
boolean	supportsPositionedUpdate() Retrieves whether this database supports positioned `UPDATE` statements.
boolean	supportsResultSetConcurrency(int type, int concurrency) Retrieves whether this database supports the given concurrency type in combination with the given result set type.
boolean	supportsResultSetHoldability(int holdability) Retrieves whether this database supports the given result set holdability.
boolean	supportsResultSetType(int type) Retrieves whether this database supports the given result set type.
boolean	supportsSavepoints() Retrieves whether this database supports savepoints.
boolean	supportsSchemasInDataManipulation() Retrieves whether a schema name can be used in a data manipulation statement.
boolean	supportsSchemasInIndexDefinitions() Retrieves whether a schema name can be used in an index definition statement.
boolean	supportsSchemasInPrivilegeDefinitions() Retrieves whether a schema name can be used in a privilege definition statement.
boolean	supportsSchemasInProcedureCalls() Retrieves whether a schema name can be used in a procedure call statement.
boolean	supportsSchemasInTableDefinitions() Retrieves whether a schema name can be used in a table definition statement.
boolean	supportsSelectForUpdate() Retrieves whether this database supports `SELECT FOR UPDATE` statements.
boolean	supportsStatementPooling() Retrieves whether this database supports statement pooling.
boolean	supportsStoredFunctionsUsingCallSyntax() Retrieves whether this database supports invoking user-defined or vendor functions using the stored procedure escape syntax.
boolean	supportsStoredProcedures() Retrieves whether this database supports stored procedure calls that use the stored procedure escape syntax.
boolean	supportsSubqueriesInComparisons() Retrieves whether this database supports subqueries in comparison expressions.
boolean	supportsSubqueriesInExists() Retrieves whether this database supports subqueries in `EXISTS` expressions.
boolean	supportsSubqueriesInIns() Retrieves whether this database supports subqueries in `IN` expressions.
boolean	supportsSubqueriesInQuantifieds() Retrieves whether this database supports subqueries in quantified expressions.
boolean	supportsTableCorrelationNames() Retrieves whether this database supports table correlation names.
boolean	supportsTransactionIsolationLevel(int level) Retrieves whether this database supports the given transaction isolation level.
boolean	supportsTransactions() Retrieves whether this database supports transactions.
boolean	supportsUnion() Retrieves whether this database supports SQL `UNION`.
boolean	supportsUnionAll() Retrieves whether this database supports SQL `UNION ALL`.
boolean	updatesAreDetected(int type) Retrieves whether or not a visible row update can be detected by calling the method `ResultSet.rowUpdated`.
boolean	usesLocalFilePerTable() Retrieves whether this database uses a file for each table.
boolean	usesLocalFiles() Retrieves whether this database stores tables in a local file.