Demo MySql Transaction : Transaction « Database SQL JDBC « Java

1. Java
2. Database SQL JDBC
3. Transaction

Demo MySql Transaction

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

public class MainClass {
  public static void main(String[] args) {
    Connection connection = null;
    Statement statement = null;
    try {
      Class.forName("org.gjt.mm.mysql.Driver").newInstance();
      String url = "jdbc:mysql://localhost/hrapp";
      connection = DriverManager.getConnection(url, "username", "password");

      statement = connection.createStatement();
      String employees1SQL = "UPDATE employees SET " + "num_dependants = 4 "
          + "WHERE employee_id = 123456";
      statement.executeUpdate(employees1SQL);
      String employees2SQL = "UPDATE employees SET " + "num_dependants = 4 "
          + "WHERE employee_id = 123457";
      statement.executeUpdate(employees2SQL);
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      if (statement != null) {
        try {
          statement.close();
        } catch (SQLException e) {
        }
      }
      if (connection != null) {
        try {
          connection.close();
        } catch (SQLException e) {
        }
      }
    }
  }

}

           
         
  

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