What is the difference between UNION and UNION ALL in SQL? - learn SQL pt 18
In this SQL tutorial, learn how to use UNION and UNION ALL effectively with practical examples and practice
problems using a Customers, Orders, Order_Items, and Products database. Discover how to combine result sets,
remove duplicates, and handle multiple entries in your queries to enhance your data manipulation skills.
Video Chapters
00:00 - Introduction
00:36 - What is the difference between union and union all
01:05 - Example #1 - selecting the word dog
01:51 - Example #2 - column names
02:15 - Example #3 - union all
02:48 - Practice Problems
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