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Candidate Keys

Lesson 9 of 42 β€’ 1 upvotes β€’ 7:03mins

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Nisha Sajnani

What is a key, super key and Candidate key. Basic example of Candidate key

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1

Normalization - Course Overview

2:01mins

2

Introduction to Normalization

6:52mins

3

Introduction to FDs

6:43mins

4

FD Examples and GATE 2000 Question

8:53mins

5

GATE 2002 question on FDs

3:31mins

6

Inference rules

5:06mins

7

Closure set of attributes

5:39mins

8

GATE 2006 Question on Closure Set of Attributes

4:14mins

9

Candidate Keys

7:03mins

10

Determining Candidate keys

6:51mins

11

GATE 96 question on Candidate keys

7:54mins

12

GATE 2014 question on Candidate key

3:40mins

13

GATE 2005 question on CK

9:25mins

14

GATE 2013 question on CK

8:21mins

15

Example on Candidate key

10:43mins

16

Determining CK of subrelation

4:33mins

17

GATE IT 05 question on Additional FDs

3:59mins

18

Equivalence of FDs

6:54mins

19

Example on Equivalence of FDs

5:06mins

20

Minimal Cover

7:02mins

21

Example on Minimal Cover

7:00mins

22

GATE 2013 question on Minimal Cover

6:58mins

23

Lossy vs Lossless Decomposition

8:44mins

24

Dependency preservation

7:26mins

25

Dependency preservation Example 1

6:16mins

26

Dependency preservation Example 2

7:17mins

27

Dependency preservation Example 3

2:53mins

28

First Normal Form

3:19mins

29

Second Normal Form

5:54mins

30

2NF Example

5:05mins

31

Third Normal Form

4:20mins

32

3NF Example 1

6:09mins

33

3NF Example 2

3:52mins

34

3NF Example 3

7:20mins

35

BCNF INTRODUCTION

2:55mins

36

BCNF Eg 1 - GATE 95 question on Normalization

5:14mins

37

BCNF Example 2

10:14mins

38

BCNF Example 3

6:02mins

39

BCNF Example 4

7:20mins

40

BCNF Example 5

7:24mins

41

GATE Questions on Normalization - 1

9:57mins

42

GATE Questions on Normalization - 2

12:03mins

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