Subqueries are queries nested inside another query, usually in the WHERE, HAVING, or SELECT clauses. They can help you perform complex operations, filter data, and join tables in SQL. However ...

This project is focused on mastering subqueries in SQL through hands-on practice using two different databases: one for employees and one for customers.The repository includes a series of structured ...

Now that you've seen how subqueries work, it's time to get some practice writing them! Not all of the queries will require subqueries, but all will be a bit more complex and require some thought and ...