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Constraints
Lesson 10 of 11 • 3 upvotes • 14:06mins
Gomathi Srinivasan
The six types of constraints NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK AND DEFAULT are explained with an example and you have self assessment questions too.
Database Management: Class 12 NCERT
11 lessons • 1h 53m
1
Overview
1:19mins
2
SQL Data Types and Create Command
9:24mins
3
Insert, Select and Delete Query
8:52mins
4
NoSQL and MongoDB
8:50mins
5
Understanding Database and Table
8:02mins
6
Primary Key, Foreign Key and Unique Key
7:53mins
7
SQL SELECT statement
13:51mins
8
SQL statements
12:59mins
9
Aggregate functions and GROUP BY clause
13:51mins
10
Constraints
14:06mins
11
Question paper discussion - Database & SQL (SECTION C) - 2017
14:39mins
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