------删除相同的记录,只留一条,修改关联条件,可以判断多个字段相同的删除
--select * FROM mul E
delete from mul e
WHERE E.ROWID > (SELECT MIN(X.ROWID) FROM mul X WHERE X.ID = E.id)
------删除相同的记录,只留一条,修改关联条件,可以判断多个字段相同的删除
--select * FROM mul E
delete from mul e
WHERE E.ROWID > (SELECT MIN(X.ROWID) FROM mul X WHERE X.ID = E.id)