Programming Articles - Page 2633 of 3366

DatabaseMetaData DatabaseMetaData is an interface that provides methods to access metadata about the database itself. getPrimaryKeys() method The getPrimaryKeys() method of the DatabaseMetaData interface in Java is used to retrieve information about the primary keys of a table in a database. A primary key is a unique identifier for each record in a table. It accepts 3 parameters − catalog - A string parameter representing the name of the catalog (database in general) in which the table exists, pass "" to get the description of the ... Read More

The getJDBCMinorVersion() method of the DatabaseMetaData interface returns the minor version of the JDBC driver in integer format.To get the major version of the JDBC driver −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 ... Read More

The getMaxUserNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a user.This method returns an integer value, representing the maximum number of characters allowed in a user name. If this value is 0 it indicates that there is no limit or, the limit is unknown.To get the Maximum length of a user using this method: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 ... Read More

The getMaxProcedureNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a procedure.This method returns an integer value, representing the maximum number of characters allowed in a procedure name. 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 More

In this article, we will learn how to retrieve the major version of the JDBC driver using the getJDBCMajorVersion() method of the DatabaseMetaData interface in Java. This method is useful for checking the version of the JDBC driver in use. getJDBCMajorVersion() method The getJDBCMajorVersion() method of the DatabaseMetaData interface returns the major version of the JDBC driver in integer format. To get a major version of the JDBC driver − Make sure your database is up and running. ... Read More

This method retrieves the list of all the SQL keywords of the underlying database and returns in the form of a String variable which holds all the keywords separated by commas.To get the list of keywords in 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 ... Read More

In this article, we will learn how to use the getMaxTableNameLength() method of the DatabaseMetaData interface in Java. The getMaxTableNameLength() method is used to find the maximum number of characters allowed for a table name in the underlying database. It returns an integer value. If the result is 0, it means there is no limit or the limit is unknown. Problem StatementGiven a database, write a Java program to find out the maximum number of characters allowed for table names in the database using the getMaxTableNameLength() method of the DatabaseMetaData interface.Input A connection to a running database (for example, ... Read More

The getIdentifierQuoteString() method of the DatabaseMetaData interface retrieves and returns the retrieves the string used by the underlying database to quote SQL identifiers.To retrieve the string used by the underlying database to quote SQL identifiers.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 ... Read More

The getMaxColumnNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a column.This method returns an integer value, representing the maximum number of characters allowed in a column name. 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 More

The getDriverVersion() method of the DatabaseMetaData interface returns the version of the JDBC driver used.To get the version of the JDBC driver used to connect with 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 ... Read More