이 레슨은 당분간 영어로 제공돼요.
Change and remove
arash finally picks a country, and sara wants to fix a post. UPDATE changes rows that already exist and DELETE removes them. Both are powerful, and both can wreck a whole table if one line goes missing.
이 레슨은 당분간 영어로 제공돼요.
arash finally picks a country, and sara wants to fix a post. UPDATE changes rows that already exist and DELETE removes them. Both are powerful, and both can wreck a whole table if one line goes missing.