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lineadecodigo
Web Code Samples in spanish
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Source path:
svn
/
trunk
/
lineadecodigo_java
/
src
/
com
/
lineadecodigo
/
java
/
jdbc
/
ActualizarDatos.java
r478
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package com.lineadecodigo.java.jdbc;
/**
* @file ActualizarDatos.java
* @version 1.0
* @author Linea de Codigo (http://lineadecodigo.com)
* @date 27-marzo-2011
* @url http://lineadecodigo.com/java/actualizar-datos-con-jdbc/
* @description Utilización de JDBC y una sentencia UPDATE para actualizar los datos de una base de datos.
*/
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
public class ActualizarDatos {
public static void main(String[] args) {
Connection con = null;
PreparedStatement stmt = null;
// Definimos el driver y la url
String sDriver = "com.mysql.jdbc.Driver";
String sURL = "jdbc:mysql://localhost:3306/lineadecodigo";
// Cargamos el driver y realizamos la conexión
try{
Class.forName(sDriver).newInstance();
con = DriverManager.getConnection(sURL,"root","");
stmt = con.prepareStatement("UPDATE paises SET pais=? WHERE codigo=?");
stmt.setString(1,"España");
stmt.setString(2,"ES");
int retorno = stmt.executeUpdate();
if (retorno>0) {
System.out.println("Actualización ejecutada correctamente");
}
} catch (SQLException sqle){
System.out.println("SQLState: "
+ sqle.getSQLState());
System.out.println("SQLErrorCode: "
+ sqle.getErrorCode());
sqle.printStackTrace();
} catch (Exception e){
e.printStackTrace();
} finally {
if (con != null) {
try{
stmt.close();
con.close();
} catch(Exception e){
e.printStackTrace();
}
}
}
}
}
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Change log
r356
by vcuervo on Mar 26, 2011
Diff
JDBC
Go to:
...o/java/jdbc/ActualizarDatos.java
...odigo/java/jdbc/BorrarDatos.java
...java/jdbc/ConexionBaseDatos.java
...igo/java/jdbc/InsertarDatos.java
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