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The author:(作者)归海一刀published in(发表于) 2014/2/1 0:17:05 SQL语句中的布尔表达式_[SQL,Server教程]
1.AND操作
ANDTRUEFALSEUNK TRUE FALSE UNK
2.OR操作
ORTRUEFALSEUNK TRUE FALSE UNK
如果你已经有了答案,不妨跟微软工程师们给出的答案对照一下吧:
ANDTRUEFALSEUNK TRUETRUE FALSEUNK FALSEFALSE FALSEFALSE UNKUNK FALSEUNK ORTRUEFALSEUNK TRUETRUETRUETRUE FALSETRUEFALSEUNK UNKTRUEUNKUNK
参见:Microsoft SQL ISV Program Management Team
来源:网络
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