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Java Articles
Page 382 of 450
Java DatabaseMetaData getMaxColumnsInGroupBy() method with example.
The getMaxColumnsInGroupBy() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a GROUP BY clause.This method returns an integer value, representing the maximum number of columns allowed in a GROUP BY clause. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() ...
Read MoreJava DatabaseMetaData getMaxColumnsInSelect() method with example.
The getMaxColumnsInSelect() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a SELECT list.This method returns an integer value, representing the maximum number of columns allowed in a SELECT list. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of ...
Read MoreJava DatabaseMetaData getMaxColumnsInTable() method with example.
The getMaxColumnsInTable() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in a table.This method returns an integer value, representing the maximum number of columns allowed in a table. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager ...
Read MoreJava DatabaseMetaData getMaxConnections() method with example.
The getMaxConnections() method of the DatabaseMetaData interface is used to find out the maximum number of connections that the underlying database allows at a time.This method returns an integer value, representing the maximum number of connections allowed at a time. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager class. ...
Read MoreJava DatabaseMetaData getMaxRowSize() method with example.
The getMaxRowSize() method of the DatabaseMetaData interface is used to find out the maximum number of bytes that the underlying database allows in a row.This method returns an integer value, representing the maximum row size. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager class. Pass the URL the ...
Read MoreJava DatabaseMetaData getTables() method with example
This method retrieves the description of the tables available in the specified database/catalog. It accepts 4 parameters −catalog − A string parameter representing the name (or, name pattern) of the catalog (database in general) in which the table (that contains the columns of which you need to retrieve the description about) exists. pass "" to get the description of the columns in tables with no catalog and, pass null if you don't want to use catalog and thus narrow the search.schemaPattern − A String parameter representing the name (or, name pattern) of the schema of the table, pass "" ...
Read MoreJava DatabaseMetaData getMaxStatementLength() method with example.
The getMaxStatementLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in a single SQL statement.This method returns an integer value, representing the maximum number of characters allowed in an SQL statement. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method ...
Read MoreJava DatabaseMetaData getUserName() method with example
This method retrieves the user name used to establish the current connection −To retrieve the user name as known to the database −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager class. Pass the URL the database and, user name, password of a user in the database, as String variables.Get the DatabaseMetaData object with respect to the current connection using the getMetaData() method of the Connection interface.Finally, retrieve the ...
Read MoreJava DatabaseMetaData getMaxTablesInSelect() method with example.
The getMaxTablesInSelect() method of the DatabaseMetaData interface is used to find out the maximum number of tables that the underlying database allows in an SQL SELECT statement.This method returns an integer value, representing the maximum number of tables allowed in a SELECT statement. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method ...
Read MoreJava DatabaseMetaData getMaxColumnsInIndex() method with example.
The getMaxColumnsInIndex() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in an index.This method returns an integer value, representing the maximum number of columns allowed in an index. If this value is 0 it indicates that there is no limit or, limit is unknown.To get the DatabaseMetaData object −Make sure your database is up and running.Register the driver using the registerDriver() method of the DriverManager class. Pass an object of the driver class corresponding to the underlying database.Get the connection object using the getConnection() method of the DriverManager ...
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