SQLServer与Access常用SQL函数区别
时间：2021-05-10 08:42:00 | 栏目： | 点击：次
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