mysql> show tables;
+---------------+
| Tables_in_xxx |
+---------------+
| dbtest |
+---------------+
1 row in set (0.01 sec)
mysql> drop table xxx;
mysql> drop table dbtest;
Query OK, 0 rows affected (0.00 sec)
mysql> ls
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual th at corresponds to your MySQL server version for the right syntax to use near 'ls' at line 1
mysql> show tables;
Empty set (0.00 sec)
mysql>