Aggregate function in SQL WHERE-Clause

Question

In a test at university there was a question; is it possible to use an aggregate function in the SQL WHERE clause.

I always thought this isn\'t possibl

Answer 1

SELECT COUNT( * )   
FROM agents   
HAVING COUNT(*)>3;  

See more below link:

• http://www.w3resource.com/sql/aggregate-functions/count-having.php#sthash.90csRM4I.dpuf][1] call me if any query:85110 51548

• http://www.w3resource.com/sql/aggregate-functions/count-having.php