For example, instead of using a subquery to filter data based on a maximum or minimum value, you can use a join with a GROUP BY and a HAVING clause.

from product as p --using join select p.pid, p.pname, count (o.productid)as Total_Order from product as p inner join ProductOrder as o on p.pid=o.productId group by p.pname,p.pid -- sub Query to ...

This project demonstrates how to use subqueries in the SELECT clause to perform advanced calculations using SQL. It is designed to run locally alongside a MySQL server and the united_nations database ...

Do you ever find yourself juggling queries to get the information you need? Subselects, also called subqueries, may be just what you’ve been looking for. This SQL feature allows you to query ...