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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
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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



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