两个表查询,查出左表有的,但右表没有的数据
摘要:
select * from (select g.ProductListID as gp,l.ProductListId as lp from GenerateLog as l left join GenerateProductList as gon l.ProductListId = g.ProductListID) as t where t.gp is null 阅读全文
posted @ 2013-11-01 16:05 水行者 阅读(1855) 评论(0) 推荐(0)
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