Count of Counts in SQL Server

Hi folks,

I have the following query to run:

select count(
select count(*)
from student
group by firstName
having count(*) > 1)

Basically, I first need to get a count of all students that have the same first name, then I need total count of all those students. How can I change the above query to get the result I need?

Thanks so much!

-Parulthat doesn't make any sense

a count of a count will always be 1|||why is that so? how do we get a count of all those rows that appear in the inner query?|||okay, let's break this problem down into steps

could you please run the inner query all by itself and show me what you get|||Since the inner select query has a group by field, the number of rows it returned may be more than one also.|||it shows you different counts by student first name; the result looks like:
count
--
5
24
2
23
2|||ah yes, okay, then i think what you want is this --select count(*)
from (
select count(*)
from student
group by firstName
having count(*) > 1
) as counts|||Exactly, but this is giving me the following error:

No column was specified for column 1 of 'counts'.|||I got it! The inner select column needs an alias.
select count(*)
from (
select count(*) as 'cnt'
from student
group by firstName
having count(*) > 1
) as counts

Thanks so much for your help!