오늘은 뭐했니?

import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; public class Ex02PreparedStatementInsert { // mariadb와 연결하기 (벤더사마다 연결법 다름!!!) String connect = "jdbc:mariadb://localhost:3306/scott"; String user = "root"; String password = "0118"; Connection conn; PreparedStatement pstmt; ResultSet rs; // 생성자 public Ex02PreparedStatementInse..

import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; //DB가져오기 public class Ex01PreparedStatement { //mariadb와 연결하기 (벤더사마다 연결법 다름!!!) String connect = "jdbc:mariadb://localhost:3306/scott"; String user = "root"; String password = "비밀이다!!"; Connection conn; PreparedStatement pstmt; ResultSet rs; //생성자 public Ex01PreparedStatement(..

import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; //DB가져오기 public class Ex01Statement { //mariadb와 연결하기 (벤더사마다 연결법 다름!!!) String connect = "jdbc:mariadb://localhost:3306/scott"; String user = "root"; String password = "비밀이다"; Connection conn; Statement stmt; ResultSet rs; //생성자 public Ex01Statement() { //외부자료 받기 때문에 반드시 try~catch로 묶어..