SQL Tutorial - SQL Correlated subquery vs Joins | Optimising SQL Queries
SQL Tutorial - SQL Correlated subquery vs Joins | Optimising SQL Queries
#sql #sqlqueries
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In this video, we'll discuss the difference between correlated subqueries and JOIN operations in SQL, and why JOINs are often a better option for performance and readability. We'll demonstrate how to re-write a query that uses a correlated subquery and show how the same results can be achieved with a JOIN.
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