SQL Tutorial: JOIN, GROUP BY, HAVING, and Subqueries with NOT IN & EXISTS
In this video, you'll learn how to use essential SQL queries to work with relational databases—perfect for beginners and those looking to sharpen their SQL skills.
📌 Timestamps:
0:45 — Creating a sample database
2:49 — Performing SQL JOINs
4:17 — INNER JOIN and LEFT OUTER JOIN
6:06 — Using GROUP BY to summarize data
7:50 — Applying column aliases for clarity
8:15 — Filtering grouped results with HAVING
9:03 — Writing subqueries with NOT IN
10:38 — Writing subqueries with EXISTS
#SQLTutorial #SQLJoins #GroupBy #Subqueries #DatabaseQuerying #LearnSQL