select...where 条件1 AND 条件2 AND 条件3 ---请教

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主题:select...where 条件1 AND 条件2 AND 条件3 ---请教
5楼|zli07|2013-03-12 15:37:01|展开
where (F1 = 'aaa' or F1 = NULL) and (F2 = 'bbb' or F2 = NULL) and (F3 = 'ccc' or F3 = NULL)
--
FROM 61.135.169.*