--重复数据只显示一条 select min(a) a, b, c from test_tb group by b, c; --删除重复数据 delete from tb where rowid not in (select min(rowid) from test_tb group by b, c); group by 查询列只能用聚集函数或被group by的字段
重复数据处理
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转载自elihe2011.iteye.com/blog/1815318
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