Union and union all in sql server   Part 17

Union and union all in sql server Part 17

In this video we will learn about the
1. Purpose of UNION and UNION ALL
2. Difference between UNION and UNION ALL
3. Difference between JOIN and UNION

Text version of the video
http://csharp-video-tutorials.blogspot.com/2012/08/union-and-union-all-in-sql-server-part.html

Slides
http://csharp-video-tutorials.blogspot.com/2013/08/part-17-union-and-union-all.html

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