Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {
    private static final String DB_DRIVER = "oracle.jdbc.driver.OracleDriver";
    private static final String DB_CONNECTION = "jdbc:oracle:thin:@localhost:1521:YourDatabase";
    private static final String DB_USER = "user";
    private static final String DB_PASSWORD = "password";

    public static void main(String[] argv) throws Exception {
        Connection dbConnection = null;
        PreparedStatement preparedStatement = null;
        Class.forName(DB_DRIVER);
        dbConnection = DriverManager.getConnection(DB_CONNECTION, DB_USER, DB_PASSWORD);
        String updateTableSQL = "UPDATE Person SET USERNAME = ? " + " WHERE USER_ID = ?";
        preparedStatement = dbConnection.prepareStatement(updateTableSQL);

        preparedStatement.setString(1, "newValue");
        preparedStatement.setInt(2, 1001);

        preparedStatement.executeUpdate();

        preparedStatement.executeUpdate();
        preparedStatement.close();
        dbConnection.close();

    }
}