このレッスンは、現在英語のみです。
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.
このレッスンは、現在英語のみです。
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.