从两个以上的table找东西,用的语句是join,google it, a simple inner join may work for you in this case.
and 是逻辑运算符号,不可以用它把两个 table 连起来,这是基本概念混淆了。
从两个以上的table找东西,用的语句是join,google it, a simple inner join may work for you in this case.
and 是逻辑运算符号,不可以用它把两个 table 连起来,这是基本概念混淆了。
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后面的条件也不能用逗号,用 AND/OR
-胡跟之-
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01/08/2011 postreply
17:45:19
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跟得好,这才名副其实
-胡说之-
♂
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01/08/2011 postreply
17:48:59
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错了,这个可不是胡跟:)
-胡跟之-
♀
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01/08/2011 postreply
17:52:30
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还是错了,老师也不是胡说:D
-胡跟之-
♀
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01/08/2011 postreply
18:05:22
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