Job-Ready SQL in an Afternoon - Subqueries

The video tutorial introduces subqueries in SQL, highlighting their flexibility in writing complex queries. It explains how to write basic SQL queries using group by and count, and discusses challenges in using aggregated results for further queries. The concept of subqueries is detailed, showing how they allow the use of query results as a starting point for new queries. Practical examples demonstrate how subqueries can be used to perform additional aggregations, emphasizing their importance in SQL query design.

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