We discuss SQL Constraints and practically go through how to add the following constraints in SQL Server; PRIMARY KEY, FOREIGN KEY, UNIQUE KEY, NOT NULL, DEFAULT, and CHECK.
--LINK TO SQL QUERY--
https://github.com/AllThingsDataWithAngelina/SQL-Server/blob/main/SQL_Constraint.sql
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Learn SQL with Microsoft SQL Server: https://youtube.com/playlist?list=PL3QIj0dCAeARFktUaoy1I4C3qvpeptSjK
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Timestamps:
00:00 Intro
00:23 What are Constraints
04:27 Methods of Adding Constraints
05:56 Method 1 - (Alter Table Statements) - Adding Primary Key
08:21 Add Unique Constraint
10:01 Add Foreign Key Constraint
14:31 Method 2 - Create Table with Constraint
21:30 Create Table with Constraint by Specifying Constraint Name
23:08 Insert Record into a table test Default Constraint
24:59 Method 3 - Create Table with Constraint (Separate Syntax)
28:20 Check Constraint
31:45 Outro
#SQL #LearnSQL #Data
