SQLサブクエリ、複数のSQL合併

1。

SELECT
*
FROM
order_gtncoin
WHERE
NOT(

buy_uid = '13311787'
とsale_uid = '13319623'

OR(
buy_uid = '13319623'
とsale_uid = '13311787'

OR(
buy_uid = '13311787'
とsale_uid = '13311787'

OR(
buy_uid = '13319623'
とsale_uid = '13319623'))

 

2。

SELECT * WHERE order_gtncoin FROM
ID NOT IN(order_gtncoinからID SELECT
(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とsale_uidを= 13311787))。

二つの方法の結果は同じです

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転載: www.cnblogs.com/pengkangkang/p/11230259.html