mysql> Select CONCAT( 'drop table ', table_name, ';' ) FROM information_schema.tables where table_name like '%sign%';
+------------------------------------------+
| CONCAT( 'drop table ', table_name, ';' ) |
+------------------------------------------+
| drop table sw160928_sign; |
+------------------------------------------+
转载于:https://my.oschina.net/yonghan/blog/745352