2
可能重复:
Why would someone use WHERE 1=1 AND <conditions> in a SQL clause?'WHERE 1 = 1' SQL存储过程
我一直在负责审查一些SQL存储过程和看到许多看起来像如下:
SELECT
X, Y, Z
FROM
Table
WHERE
1 = 1
ORDER BY
X
为什么有人会在where子句中使用'1 = 1'?
谢谢!
可能的重复:http://stackoverflow.com/questions/242822/why-would-someone-use-where-and-conditions-in-a-sql-clause – steinar 2010-11-01 02:04:34
@steinar - 谢谢。我确实尝试了一些搜索,但没有运气。这是一个骗局。 – derivation 2010-11-01 02:07:48