-
九来正
发布于 2009-06-26 17:52
-
收藏
SQLServer Access CASE...WHEN... IIF() SUBSTRING() MID() ISNULL() IIF(IS NULL) SELECT *,IIf([State]=1,'√','×') as StateTag FROM Leave order by id desc SELECT IIf([CateID] = 1, "文档"),IIf([CateID] = 2, "视频"),IIf([CateID] = 3, "..