duplicate value in table

Hi ALL

I need to Found duplicate value in Sort column .

I used below Query

WITH CTE (dd,SortOrder)AS(SELECT Row_number()over(Partition by SortOrder orderby SortOrder),SortOrderFROM ss.Dimtt)SELECT*from CTEwhere dd>1

but how can i found duplicate value in all tables that is started from Dim.

Please help.

Thanks