JDBC PreparedStatement Select example using Mysql database


Create a table and insert few records in test database in mysql before executing this program, 

Create query

  1. create table student(id int NOT NULL AUTO_INCREMENT, name varchar(100), password varchar(100), PRIMARY KEY(id));

Insert Query

insert into student(name, password) values('candidjava','123345');

Also make sure to add Mysql jar file in classpath

Mysql jar can be downloaded from

http://mvnrepository.com/artifact/mysql/mysql-connector-java/5.1.6


Program

package com.candidjava.jdbc;

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

public class BasicSelect {

	public static void main(String[] args) throws ClassNotFoundException, SQLException {

		String n = "candidjava";

		Class.forName("com.mysql.jdbc.Driver"); // loads driver
		Connection c = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root"); // gets a new connection

		PreparedStatement ps = c.prepareStatement("select * from student where name=?");
		// / select * from user stds where name=?;
		ps.setString(1, n);

		ResultSet rs = ps.executeQuery();

		while (rs.next()) {
			int id = rs.getInt(1);
			String name = rs.getString(2);
			String pass = rs.getString("password");

			System.out.println(id + "   " + name + "   " + pass);
		}

	}

}

Output
1   candidjava 123345




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