05 2013 档案

摘要:Select iif(IsNull( express ), value1, value2 ) From TableNameiif(IsNull( express ), value1, value2 )相当于:If express Is Null ThenReturn value1ElseReturn value2End if 阅读全文
posted @ 2013-05-05 15:31 archip 阅读(1001) 评论(0) 推荐(0) 编辑

点击右上角即可分享
微信分享提示