Hello, in this video i have simplified the concept of keys and also discussed primary key. Keys are very important concept as per DBMS is concerned and primary key is one of the most important type of key in it. Each concept is explained using an example. It is very easy to understand, after watching the video you will get to know about following:
1) What is concept of Key?
2) What is primary key?

VIDEO CHAPTERS
0:00 Introduction to keys
01:15 What is concept of keys?
03:31 What is a primary key

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