sql 子查询,多条sql合并

1.

SELECT
*
FROM
order_gtncoin
WHERE
NOT (
(
buy_uid = '13311787'
AND sale_uid = '13319623'
)
OR (
buy_uid = '13319623'
AND sale_uid = '13311787'
)
OR (
buy_uid = '13311787'
AND sale_uid = '13311787'
)
OR (
buy_uid = '13319623'
AND sale_uid = '13319623'))

 

2.

SELECT *FROM order_gtncoin WHERE
id NOT IN (SELECT id FROM order_gtncoin WHERE
(buy_uid = 13311787 AND sale_uid = 13319623)
OR(buy_uid = 13319623 AND sale_uid = 13311787)
OR(buy_uid = 13319623 AND sale_uid = 13319623)
OR(buy_uid = 13311787 AND sale_uid = 13311787));

结果都是一样的两种方法

posted @ 2019-07-23 10:33  路过的一个小测试  阅读(1255)  评论(0编辑  收藏  举报