select top 3 uid from dbo.Account order by uid desc 显示结果为
uid
3
2
1
select top 1 uid from dbo.Account where uid in (select top 3 uid from dbo.Account order by uid desc)
取到的uid是1 select top 2 uid from dbo.Account where uid in (select top 3 uid from dbo.Account order by uid desc)
取到的uid是 3 2 top 1 应该是取第一条记录 uid应该是3的 为什么取到是1?
uid
3
2
1
select top 1 uid from dbo.Account where uid in (select top 3 uid from dbo.Account order by uid desc)
取到的uid是1 select top 2 uid from dbo.Account where uid in (select top 3 uid from dbo.Account order by uid desc)
取到的uid是 3 2 top 1 应该是取第一条记录 uid应该是3的 为什么取到是1?
解决方案 »
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