摘要:
SQL 随笔,以后再整理update dsong set ratesp = (select 1.0*skiptime/playtime from song where song.filename=dsong.songname) where dsong.songname = (select filename from song where song.filename = dsong.songname)update dsong set maxpcontinue = (SELECT max(pcontinue) FROM skipinfor where skipinfor.filename = ds 阅读全文
posted @ 2013-01-14 07:21
Homer Zuo
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