sql - Row value from another table -


i have table having 2 duplicate rows (total of 3 rows), used code below duplicate value in column

select custno, count(*) totalcount rental group custno having count(*) > 1 order count(*) desc

so once repeated value, need custno derived duplicate customer table. how go taking value , using in select statment in same query. have select statement prepared this.

select *  customer  custno = 't0002';

thanks.

select * customer  custno in (   select custno   rental   group custno   having count(*) > 1 )

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