mysql ワーニングを見る

mysql> drop table if exists a;
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> show warnings;
+-------+------+------------------------+
| Level | Code | Message                |
+-------+------+------------------------+
| Note  | 1051 | Unknown table 'hoge.a' |
+-------+------+------------------------+
1 row in set (0.01 sec)