t2和t3數據表中存有他t1表中數據的id
選擇刪除t1表中的數據以及t2和t3表中相關(task_id)的數據
SQL語句如下:
DELETE t1,t2,t3 from cl_delivery_task t1
LEFT JOIN xh_saleact t2 ON t1.id=t2.task_id
LEFT JOIN xh_sale_detail t3 ON t1.id=t3.task_id
WHERE t1.id='2c27ec183faa4706ba3843c8238ced21'