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, "音频") FROM File
赞(0) 踩(0)

与本文相关的软件

发表我的评论

最新评论

  1. 暂无评论