YouTube Excerpt: This video is part of a multi-part series on mastering the SQL SELECT statement. The SELECT statement, the most often used SQL command, is easy to learn yet difficult to master. Follow along with me and level up your database query super powers! This video covers the table JOINS, specifically - Natural / Equijoins on primary / foreign key - Multi-table joins - Table aliasing to handle ambiguous column names - Outer joins: LEFT and RIGHT joins. FULL outer joins. - Using a NULL check across Outer joins to find rows not participating in the join. - Self joins where the same table participates more than once in the query. - What can go wrong with joins, just because it works doesn't mean it makes sense! The SQL code is available here: https://github.com/mafudge/learn-databases/tree/master/youtube If you need to setup your own database environment, check out learn-databases! The easy way to get going and follow along with these videos. https://youtu.be/CxCUrQ6knRo This video is part of the textbook Applied Database Management https://applieddb.com Here's the entire playlist: https://www.youtube.com/playlist?list=PLyRiRUsTyUXghCQTvsCeMjOCVjIIPsopR
This video is part of a multi-part series on mastering the SQL SELECT statement. The SELECT statement, the most often used SQL command, is easy to...
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