Utility of Having clause in Sql?

Question

Why we require Having clause?

Answer 1

HAVING is used to filter the results of a GROUP BY clause.
For example, you can select customers with a count of their orders, and use HAVING to filter only customers that placed 3 or more orders.

Answer 2

The HAVING clause is used in combination with the GROUP BY clause. It can be used in a SELECT statement to filter the records that a GROUP BY returns.

The HAVING clause is reserved for aggregate functions

Answer 3

The HAVING clause, used with the GROUP BY clause, is known to lay out filter conditions in aggregate functions.

Syntax:
SELECT , aggregate_function(column_name)
FROM WHERE
GROUP BY column_name
HAVING aggregate_function(column_name) operator value;

For further help with MySQL concepts, refer to the following link:

Answer 4

To Write a coudistion on the aggregate values in the query.