Question

Advantage of single value attribute over multi value attribues

Answer 1

SINGLE VALUED ATTRIBUTE:)
Attributes that can have single value at a particular instance of time are called sinble valued. A person can't have more than one age value. Therefore, age of a person is a single values attribute.

MULTI VALUED ATTRIBUTE:)
A multi valued attribute can have more than one value at one time. For example, a bank may limit the number of addresses recorded for a single customer to two. Such attributes are represented by double ovals in ER Diagram.......

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