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select * from STUDSCOREINFO
where STUDNO IN(SELECT STUDNO from STUDSCOREINFO
GROUP BY STUDNO ORDER BY STUDSCORE DESC) WHERE rownum <= 5
AND STUDNO LIKE '20010505%'


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ORA-00907: ȱʧÓÒÀ¨ºÅ

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SQL code:
select * from STUDSCOREINFO
where STUDNO IN(SELECT STUDNO from STUDSCOREINFO
GROUP BY STUDNO ORDER BY STUDSCORE DESC) AND rownum <= 5
AND STUDNO LIKE '20010505%'


µÚ 3 ÐгöÏÖ´íÎó:
ORA-00907: ȱʧÓÒÀ¨ºÅ

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