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select ×Ö¶ÎÃû from ±íÃû where Ìõ¼þ order by ÅÅÐò
see:select distinct ´Ó¶à¸öÏàͬ×Ö¶ÎÖÐץΨһֵ
see:²éÕÒld_det_andy±íÖÐÓÐÊý¾Ýµ«ld_det_temp±íÖÐûÊý¾ÝµÄÊý¾Ý
select * from ld_det_andy a where
(not exists (select * from ld_det_temp where ld_loc = a.ld_loc and ld_part = a.ld_part))
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select top 10 ip, countip from
(select ip,count(*) as countip from records group by ip) a
order by countip desc
see:±ístudent(id,name,score)¸ù¾Ý·ÖÊýÁУ¨score£©Ã¿10·ÖΪһ¶Î£¬²éѯÿ¶Î·ÖÊýµÄÈËÊý
select ScoreRank,count(*) from
(select ScoreRank = case
when score >= 0 and score < 10 then '0-9'
when score >= 10 and score < 20 then '10-19'
when score >= 20 and score < 30 then '20-29'
when score >= 30 and score < 40 then '30-39'
when score >= 40 and score < 50 then '40-49'
when score >= 50 and score < 60 then '50-59'
when score >= 60 and score < 70 then '60-69'
when score >= 70 and score < 80 then '70-79'
when score >= 80 and score < 90 then '80-89'
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select id=identity(int,1,1),value into #temp from YourTable
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drop table #temp
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