去除数据表中重复行&oracle 替换数据
2014-04-03 15:50
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delete from table1 t1 where rowid <(select max(rowid) from table1 t2 where t1.id = t2.id)
UPDATE S_USER t1 set t1.user_name = replace(t1.user_name,'21e','21w')
UPDATE S_USER t1 set t1.user_name = replace(t1.user_name,'21e','21w')
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