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删除重复数据

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2016-06-07 16:05:151024瀏覽

delete from cbe_subscriber a where rowid !=(select max(rowid) from cbe_subscriber b where a.SUBSCRIBERKEY=b.SUBSCRIBERKEY and a.APPLYTIME=b.APPLYTIME);

delete from cbe_subscriber a
where rowid !=(select max(rowid)
from cbe_subscriber b
where a.SUBSCRIBERKEY=b.SUBSCRIBERKEY
and a.APPLYTIME=b.APPLYTIME);
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