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JDBCTransactionManagementDemo Project Dir Structure

JDBC Transaction Management Demo

JDBC Transaction Management Demo

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

public class JDBCTransactionManagementDemo
{
    // 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 )
    {
        JDBCTransactionManagementDemo jdbcTransactionManagementDemo =
                                             new JDBCTransactionManagementDemo();
        jdbcTransactionManagementDemo.addCityInformation();
    }

    private void addCityInformation()
    {
        Connection connection = null;
        Statement statement = 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);

            /*
             * Set auto-commit to false
             */
            connection.setAutoCommit(false);

            String sql1 = "insert into city values(6000,'Bangalore','IND','Karnataka',400000)";
            String sql2 = "insert into city values(6001,'Channai','IND','TamilNadu',200000)";
            String sql3 = "insert into city values(6002,'Thiruvanathapuram','IND','Kerala',800000)";

            /*
             * Execute the query
             */
            statement = connection.createStatement();

            /*
             * Execute each sql one by one
             */
            statement.executeUpdate(sql1);
            System.out.println(sql1 + " : Sql1 is Successfully executed");
            statement.executeUpdate(sql2);
            System.out.println(sql2 + ": Sql2 is Successfully executed");
            statement.executeUpdate(sql3);
            System.out.println(sql3 + ": Sql3 is Successfully executed");

            /*
             * If there is no error
             */
            connection.commit();

            System.out
                    .println("Changes are committed and applied to the Database");

        }
        catch( SQLException se )
        {
            /*
             * Handle errors for JDBC
             */
            try
            {
                /*
                 * If there is any error.
                 */
                connection.rollback();
                System.out
                        .println("Changes are rollbacked and not applied to the Database");
            }
            catch( SQLException e )
            {
                e.printStackTrace();
            }
            se.printStackTrace();
        }
        catch( ClassNotFoundException e )
        {
            /*
             * Handle errors for Class.forName
             */
            e.printStackTrace();
        }
        catch( Exception e )
        {
            try
            {
                /*
                 * If there is any error.
                 */
                connection.rollback();
                System.out
                        .println("Changes are rollbacked and not applied to the Database");
            }
            catch( SQLException e1 )
            {

                e1.printStackTrace();
            }
            e.printStackTrace();
        }
        finally
        {
            /*
             * finally block used to close resources
             */
            try
            {
                if( statement != null )
                {
                    statement.close();
                }
            }
            catch( SQLException sqlException )
            {
                sqlException.printStackTrace();
            }
            try
            {
                if( connection != null )
                {
                    connection.close();
                }
            }
            catch( SQLException sqlException )
            {
                sqlException.printStackTrace();
            }
        }

    }
}