나의 조약한 쿼리문.........
SELECT a.max, a.buyer, b.ses FROM (select max(traf) max, buyer from vod_log group by buyer) a, (select * from vod_log) b WHERE a.buyer=b.buyer and a.max=b.traf ;
SELECT a.max, a.buyer, b.ses FROM (select max(traf) max, buyer from vod_log group by buyer) a, (select * from vod_log) b WHERE a.buyer=b.buyer and a.max=b.traf ;
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