SQL Server tutorial for beginners - Unique key constraint – Part 9

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SQL Server tutorial for beginners

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Unique key constraint – Part 9

In this video we will learn
1. What is unique key constraint
2. When do you use unique key constraint over primary key constraint
3. Difference between unique key constraint and primary key constraint

Text version of the video
http://csharp-video-tutorials.blogspot.com/2012/08/unique-key-constraint-part-9.html

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http://csharp-video-tutorials.blogspot.com/2013/08/part-9-unique-key-constraint.html

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