摘要:
--like ....% 表示以....开头-- %.... 表示以....结尾 --left (a,b); 最左边开始,返回b个长度字符串 WHERE 1=1 AND ( @DepartmentId IS NULL OR DepartmentId IN ( SELECT id FROM mdDep 阅读全文
posted @ 2020-12-28 17:48
该吃药了
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摘要:
SELECT [Projname],[version],[state] FROM [dbo].[Goods] WHERE [Projname] = CASE WHEN @Projname IS NULL THEN [Projname] ELSE @Projname END或者 SELECT [Pro 阅读全文
posted @ 2020-12-28 17:40
该吃药了
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