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Java 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 user name using the getUserName() method of the DatabaseMetaData interface .
Example
Following JDBC program establishes connection with MySQL database and, retrieves the user name as known to the database.
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.SQLException;
public class DatabaseMetaData_getUserName {
public static void main(String args[]) throws SQLException {
//Registering the Driver
DriverManager.registerDriver(new com.mysql.jdbc.Driver());
//Getting the connection
String url = "jdbc:mysql://localhost/";
Connection con = DriverManager.getConnection(url, "root", "password");
System.out.println("Connection established......");
//Retrieving the meta data object
DatabaseMetaData metaData = con.getMetaData();
//Retrieving the user name
String user_name = metaData.getUserName();
System.out.println(user_name);
}
}Output
Connection established...... root@localhost
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