What is the difference between where and having clause??

Answer 1

In SQL:
1. the WHERE clause is used only to place condition(s) on selected column(s), whereas
2. HAVING clause is used to place condition(s) on groups created using GROUP BY clause. For such groups, we cannot use the WHERE clause.
Hope this helps. :)

Answer 2

You are most welcome! :)

Answer 3

thanku 😃