コマンド
mysql> delete from users where id = 1; Query OK, 1 row affected (0.00 sec) mysql> select * from users where id = 1; Empty set (0.00 sec)
mysql> delete from users where id = 1; Query OK, 1 row affected (0.00 sec) mysql> select * from users where id = 1; Empty set (0.00 sec)