What is Primary Key Constraint in SQL Server Database - SQL Server / TSQL Tutorial Part 54

Published: 29 May 2016
on channel: TechBrothersIT
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SQL Server / T-SQL Tutorial Scenario:
Primary Key Constraint is created to ensure uniqueness of records/rows. Primary Key Constraint can be created on single or set of columns as long as the column/columns do not allow Null values.

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