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JDBCDropTableDemo Project Dir Structure

JDBC Drop Table Demo

JDBC Drop Table Demo

JDBCDropTable.java

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCDropTable
{
    // JDBC driver name and database URL
    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL      = "jdbc:mysql://localhost:3306/world";

    // Database credentials
    static final String USERNAME    = "root";
    static final String PASSWORD    = "root";

    public static void main( String[] args )    
    {

        JDBCDropTable jdbcDropTable = new JDBCDropTable();
        jdbcDropTable.dropTable();

    }

    private void dropTable()
    {
        Connection connection = null;
        PreparedStatement preparedStatement = null;
        try
        {
            /*
             * Register the JDBC driver in DriverManager
             */

            Class.forName(JDBC_DRIVER);

            /*
             * Establish connection to the Database using DriverManager
             */

            connection = DriverManager
                    .getConnection(DB_URL, USERNAME, PASSWORD);

            String sql = "DROP TABLE REGISTRATION";

            /*
             * Execute the query
             */
            preparedStatement = connection.prepareStatement(sql);

            int returnValue = preparedStatement.executeUpdate();

            System.out.println("returnValue : " + returnValue);

            System.out.println("Table 'REGISTRATION' has been dropped");

        }
        catch( SQLException se )
        {
            /*
             * Handle errors for JDBC
             */
            se.printStackTrace();
        }
        catch( ClassNotFoundException e )
        {
            /*
             * Handle errors for Class.forName
             */
            e.printStackTrace();
        }
        catch( Exception e )
        {
            e.printStackTrace();
        }
        finally
        {
            /*
             * finally block used to close resources
             */
            try
            {
                if( preparedStatement != null )
                {
                    preparedStatement.close();
                }
            }
            catch( SQLException sqlException )
            {
                sqlException.printStackTrace();
            }
            try
            {
                if( connection != null )
                {
                    connection.close();
                }
            }
            catch( SQLException sqlException )
            {
                sqlException.printStackTrace();
            }
        }

    }
}