Summary
This lesson was a continuation of the last lesson on joins. This lesson started by teaching you how and why to use aliases, and then continued with a discussion on different join types and various forms of syntax used with each. You also learned how to use aggregate functions with joins, and some important dos and don'ts to keep in mind when working with joins.
Get Sams Teach Yourself SQL in 10 Minutes now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
