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aId objId remark mTime title
1 11 ÎÞ 2008-11-12 num01
2 2 ÎÞ 2008-11-13 num02
3 5 ÎÞ 2008-11-10 num01
4 2 ÎÞ 2008-11-05 num03
5 5 ÎÞ 2008-11-09 num01
6 2 ÎÞ 2008-11-23 num08
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aId objId remark mTime title
6 2 ÎÞ 2008-11-23 num01
1 11 ÎÞ 2008-11-12 num01
3 5 ÎÞ 2008-11-10 num08
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SQL code:
SELECT * from TB T WHERE ID=(SELECT MAX(ID) from TB WHERE objId=T.objId)
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SQL code:
select aId,objId ,remark,mTime,title
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