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SQL Constraints - Lesson 5 - Create or Add Constraints (Primary Key, Foreign Key, Default etc.)

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SQL Constraints - Lesson 5 - Create or Add Constraints (Primary Key, Foreign Key, Default etc.)

In this session we'll learn how to add constraints like DEFAULT, UNIQUE, NOT NULL, PRIMARY KEY, FOREIGN KEY and CHECK, while creating tables or by altering existing tables. Microsoft SQL server syntax is discussed. Links to all SQL Lessons: SQL Lesson 8 - Subqueries https://youtu.be/7DxuPcx-mRI SQL Lesson 7 - JOIN (Full, Self, Cross, Union ...

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From 00:22Basic Syntax for Adding Constraints

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