参考新浪文章http://blog.csdn.net/liuxilil/article/details/6718409
--测试不可
select * from [dbo].[Storage_WeiWai] where WeiWaiId not in (select RowGuid from [dbo].[Storage_InAndOutMain])
--测试可以select * from [dbo].[Storage_WeiWai] a where not exists (select 1 from [dbo].[Storage_InAndOutMain] b where a.WeiWaiId=b.RowGuid )