Let Us Consider Iphonenumberi Which Can Take Single Or Several #482

Let us consider <i>phone_number</i> ,which can take single or several values . Treating <i> phone_number</i>as an _________ permits instructors to have several phone numbers (including zero) associated with them.

This multiple choice question (MCQ) is related to the book/course gs gs117 Database Management System. It can also be found in gs gs117 Database Systems Design and Implementation - Entity-Relationship Design Issues - Quiz No.1.