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SELECT *
from student
LEFT JOIN chinese ON student.no = chinese.no
WHERE chinese.chengji
IN (
SELECT max( chinese.chengji )
from student
LEFT JOIN chinese ON student.no = chinese.no
GROUP BY student.school
ORDER BY chinese.chengji DESC
)
LIMIT 0 ,30
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alter database add logfile member 'd:\orcl02.log' to group 4;//Ïò4×éÖÐÌí¼Ó³ÉÔ±
alter database drop logfile member 'd: ......

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USE StudentInfo
--=====================================================
--Author     £ºyangjuncheng  
--Create Date:2010.5.26
--Decription :¸ø±íÌí¼ÓÔ¼Êø£¨¿ÉÒÔÔÚ´´½¨±íʾֱ½ÓÌí¼Ó
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    select ename,sal+isnull(comm,0)
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sqlplus username/password @sql.txt
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spool sql.log
create table t1(cname char(20));
insert into t1(cname) values('test');
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spool off
exit
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