mysql中You can’t specify target table for update in FROM clause错误解决方法

1 delete from tbl where id in 
2 (
3         select max(id) from tbl a where EXISTS
4         (
5             select 1 from tbl b where a.tac=b.tac group by tac HAVING count(1)>1
6         )
7         group by tac
8 )

delete from tbl where id in 
(
    select a.id from 
    (
        select max(id) id from tbl a where EXISTS
        (
            select 1 from tbl b where a.tac=b.tac group by tac HAVING count(1)>1
        )
        group by tac
    ) a
)