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Primary Key and Unique Key Constraints6/29/2024 10:06:27 AM. Primary Key and Unique Key Constraints in database management ensure data integrity and uniqueness. A Primary Key ensures each row is unique and not null, with only one per table. Unique Keys also ens
Primary Key in SQL: Syntax, Usages, and Example5/14/2024 11:46:09 AM. A primary key in SQL uniquely identifies each record in a database table. It ensures data integrity and efficient data retrieval. Defined using the CREATE TABLE or ALTER TABLE commands, a primary key
SQL Server Primary Keys3/6/2023 6:41:21 AM. Discusses what's a primary key, entity integrity, primary key constraint, composite keys, and the benefits of a primary key.

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