查询数据库中某一列有没有重复数据项:
select * from cd_stock where stock_bh in (select stock_bh from cd_stock group by stock_bh having count(stock_bh) >1 )select * from cd_stock whe
查询数据库中某一列有没有重复数据项:
select * from cd_stock where stock_bh in (select stock_bh from cd_stock group by stock_bh having count(stock_bh) >1 )select * from cd_stock whe