UpdateRecordsUsingPreparedStatement.java Source code

Introduction

Here is the source code for UpdateRecordsUsingPreparedStatement.java

Source

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

public class UpdateRecordsUsingPreparedStatement {
    public static Connection getConnection() throws Exception {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
        String username = "name";
        String password = "password";
        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static void main(String[] args) throws Exception {
        Connection conn = null;
        PreparedStatement pstmt = null;
        try {
            conn = getConnection();
            String query = "update dept set DEPT_LOC = ? where DEPT_NUM = ? ";
            pstmt = conn.prepareStatement(query); // create a statement
            pstmt.setString(1, "deptLocation"); // set input parameter 1
            pstmt.setInt(2, 1001); // set input parameter 2
            pstmt.executeUpdate(); // execute update statement
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        } finally {
            pstmt.close();
            conn.close();
        }
    }
}