原帖由 叮当梦 于 2008-7-25 11:20 AM 发表 6。 compare tablenew and tableold
我不懂帮到你吗
我会用
select hashvale from tableA
where hashvale not in (select hashvale from tableB)
选不同 的 hashvale 当他不在 tableB 里
em0010
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