Connect to more than one database : Connection « Database SQL JDBC « Java

1. Java
2. Database SQL JDBC
3. Connection

Connect to more than one database

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

public class TestConnectToMoreThanOneDatabase {

  public static Connection getOracleConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:scorpian";
    String username = "userName";
    String password = "pass";
    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static Connection getMySqlConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/tiger";
    String username = "root";
    String password = "root";
    Class.forName(driver); // load MySQL driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static void main(String[] args) {

    Connection oracleConn = null;
    Connection mysqlConn = null;
    try {
      oracleConn = getOracleConnection();
      mysqlConn = getMySqlConnection();
      System.out.println("oracleConn=" + oracleConn);
      System.out.println("mysqlConn=" + mysqlConn);
    } catch (Exception e) {
      // handle the exception
      e.printStackTrace();
      System.exit(1);
    } finally {
      // release database resources
      try {
        oracleConn.close();
        mysqlConn.close();
      } catch (SQLException e) {
        e.printStackTrace();
      }
    }
  }
}
           
         
    
    
    
  

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