Validation rules ensure validity of the data in the database,while entity integrity ensures the validity of the relationships.

Question

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Validation rules ensure the correctness and meaningfulness of the data entered into a database, while entity integrity ensures that each row (or record) in a table has a unique identity (usually through a primary key) and that this identity is not null, ensuring that there are no duplicate records and that every record can be uniquely identified.

Validation Rules Ensure Validity of the Data in the Database,while