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ÎÊÌ⣺¼ÙÉèÓÐÕÅѧÉú³É¼¨±í(tb)ÈçÏÂ:
ÐÕÃû ¿Î³Ì ·ÖÊý
ÕÅÈý ÓïÎÄ 74
ÕÅÈý Ó¢Óï 83
ÕÅÈý ÎïÀí 93
ÀîËÄ ÓïÎÄ 74
ÀîËÄ Êýѧ 84
ÀîËÄ ÎïÀí 94
ÍõÎå ¼ÆËã»ú 86
ÍõÎå Ó¢Óï 90
Ïë±ä³É(µÃµ½ÈçϽá¹û)£º
Èô³öÏÖ
ÐÕÃû ¿Î³Ì ·ÖÊý
---- ---- ----
ÀîËÄ Ó¢Óï 94
ÕÅÈý ÎïÀí 93
ÍõÎå Ó¢Óï 90
--------------
¼´°Ñ×î´ó³É¼¨È¡³öÀ´µÄSQLÓï¾äÔõôд£¿£¿£¿
create table cj(ÐÕÃû varchar(10) , ¿Î³Ì varchar(10) , ·ÖÊý int);
insert into cj values('ÕÅÈý' , 'ÓïÎÄ' , 74);
insert into cj values('ÕÅÈý' , 'Ó¢Óï' , 83);
insert into cj values('ÕÅÈý' , 'ÎïÀí' , 93);
insert into cj values('ÀîËÄ' , 'ÓïÎÄ' , 74);
insert into cj values('ÀîËÄ' , 'Êýѧ' , 84);
insert into cj values('ÀîËÄ' , 'ÎïÀí' , 94);
insert into cj values('ÍõÎå' , '¼ÆËã»ú',80);
insert into cj values('ÍõÎå' , 'Ó¢Óï', 85);
....
SQL code:
select
*
from
tb t
where
·ÖÊý=(select max(·ÖÊý) from tb where ÐÕÃû=t.ÐÕÃû)
SQL code
Code highlighting produced by Actipro CodeHighlighter (freeware)
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date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
2009 1 2 1 500 Ϊ 1 µ¥Î» ÔÚ2009Ä ......
CREATE PROCEDURE [selectvipcompany]
@username varchar(50),
@companyname varchar(50),
@endtime varchar(1)
AS
declare @sql varchar(1000)
set @sql=''
if (@username<>null and @username ......