mysql 查重与重复统计

有重的记录

[mysql]
select `pub_number`
from `target_sheet`
group by `pub_number`
having count(`pub_number`)>1
[/mysql]

各自重复的次数

[mysql]
select `pub_number`,count(*) as “total” from `target_sheet`
group by `pub_number` having count(`pub_number`)>1
[/mysql]