Kode Java

 
package org.kodejava.example.sql;
 
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
 
public class ScaleAndPrecisionExample {
    private static final String DRIVER = "com.mysql.jdbc.Driver";
    private static final String URL = "jdbc:mysql://localhost/testdb";
    private static final String USERNAME = "root";
    private static final String PASSWORD = "";
    
    public static void main(String[] args) throws Exception {
	Connection connection = null;
	try {
	    Class.forName(DRIVER);	    
	    connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);
	    
	    Statement statement = connection.createStatement();
	    String query = "SELECT stock_id, name, price FROM stocks";
	    ResultSet resultSet = statement.executeQuery(query);
	    
	    ResultSetMetaData metadata = resultSet.getMetaData();
	    int precision = metadata.getPrecision(3);
	    int scale = metadata.getScale(3);
	    
	    System.out.println("Precision: " + precision);
	    System.out.println("Scale    : " + scale);
	} catch (SQLException e) {
	    e.printStackTrace();
	} finally {
	    connection.close();
	}
    }
}
 
 

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