1、多表聯合刪除:
DELETE t1,t2 FROM table1 as t1 left join table2 as t2 on t1.ID = t2.TICKETS_ID WHERE t2.TICKETS_ID = 12;
或者
DELETE table1,table2 FROM table1 left join table2 on table1.ID = table2.TICKETS_ID WHERE table2.TICKETS_ID = 12;
2.在多個表聯合刪除時,不能使用order by 或limit,而單個表的刪除時就沒有這個限制。
3.當前,我們還不能在刪除表的時候,在子查詢中select from相同的表。