INNER JOIN Where 子句 [英] INNER JOIN Where Clause
本文介绍了INNER JOIN Where 子句的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
做类似的事情有区别吗
SELECT *
FROM table1 INNER JOIN table2 ON table2.ObjectId = table1.table2ObjectId
WHERE table2.Value = 'Foo'
对比
SELECT *
FROM table1 INNER JOIN table2
ON table2.ObjectId = table1.table2ObjectId AND table2.Value = 'Foo'
推荐答案
没有内连接.外连接是放置会产生影响的地方.
Not with an inner join. An outer join is where placement will make a difference.
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