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Null values
Lesson 12 of 12 • 0 upvotes • 8:25mins
Aman Dokania
In this lesson we learn about null values. At which point null creates confusion. And which operations doesn't take null.
(Hindi) Relation Model and Relation Algebra
12 lessons • 1h 44m
1
Relational Model (in Hindi)
9:30mins
2
Relational Model: Part 2 (in Hindi)
7:35mins
3
ER to Relational Model (in Hindi)
13:51mins
4
Relation Algebra (in Hindi)
8:38mins
5
Union and Set Difference (in Hindi )
8:03mins
6
Cartesian product, composition and rename
8:01mins
7
Examples on basic operations of Relational algebra.
8:17mins
8
Set intersection and natural join
7:59mins
9
Division and assignment operation
8:31mins
10
Aggregate functions and operations.
7:42mins
11
Outer join
7:48mins
12
Null values
8:25mins
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