Question: What does the entity integrity constraint mean? Question 1 options: Formal name for a thing that is being tracked in a database, and is defined

What does the entity integrity constraint mean?

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1

options:

Formal name for a "thing" that is being tracked in a database, and is defined as something of importance to the user that needs to be represented in the database

Each value in a primary key must be unique with respect to the other values of the primary key in the relation

The data has to be numerical in all times

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