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Lecture 11: Why We Need Normalisation ? || DBMS Series for Placements

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CodeHelp - by Babbar

This Video gives a complete understanding of Normalisation in one Video.

There is a lot to learn, Keep in mind “ Mnn bhot karega k chor yrr apne se nahi hoga ya maza nahi aara, Just ask 1 question “ Why I started ? “

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Timestamps:

00:00 What is Functional Dependency?
11:00 Armstrong's Axioms
18:30 Why Normalisation is necessary?
20:00 Anomalies due to redundant data
22:00 Insertion Anomaly
25:00 Deletion Anomaly
26:30 Updation Anomaly
31:10 What we actually do in Normalisation?
33:12 Types of Normal Forms
33:15 1NF
35:55 2NF
44:45 3NF
50:00 BCNF


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posted by calliesettles2y