delete keyword111 where id1 in(select top 50 id1 from keyword111 order by newid()) ---
delete tablename where id in(select top 50 id from tablename order by newid()) ---------------------- http://www.quandi.cn/WebForm1.aspx?quandi_id=lxzm1001 圈地网
delete tablename where id in(select top 50 id from tablename order by newid())
delete from temptable where id in(select top 50 id from temptable order by newid())
---
----------------------
http://www.quandi.cn/WebForm1.aspx?quandi_id=lxzm1001
圈地网
where id in(select top 50 id from tablename order by newid())