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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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2: sql.txt
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sqlplus username/password @sql.txt
pause
sql.txtÄÚÈÝÈçÏ£º
spool sql.log
create table t1(cname char(20));
insert into t1(cname) values('test');
select * from t1;
spool off
exit
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