Question: 4 . From the list of attributes provided, identify which attribute could be the unique identifier of each entity. Entity: CLIENT Attributes: client id ,

4. From the list of attributes provided, identify which attribute could be the unique identifier of each entity.
Entity: CLIENT
Attributes: client id, first name, last name, address
Entity: MOVIE
Attributes: title, date released, producer, director
Entity: LOCKER
Attributes: size, location, number

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