id not in和not exist 使用

--查询卡号不存在订单表中卡号数据

SELECT *
FROM c_cardinfo a
WHERE NOT EXISTS (SELECT id FROM c_cardtypeorder WHERE c_cardtypeorder.CO_CID = a.id) LIMIT 100000


SELECT *
FROM c_cardinfo
WHERE id NOT IN (SELECT CO_CID FROM c_cardtypeorder) LIMIT 100000

原文地址:https://www.cnblogs.com/wugh8726254/p/13141686.html