For the following entity and attribute model, what would be the key attribute of the Students entity?
A)social security number
B)name
C)address
D)street

Question

For the following entity and attribute model, what would be the key attribute of the Students entity? 
A)social security number 
B)name 
C)address 
D)street

Quizplus · Accepted Answer

The social security number is a unique identifier for each individual student and therefore the best choice for the key attribute of the Students entity. Name, address, and street are not guaranteed to be unique identifiers and could potentially lead to data duplication or errors.

For the Following Entity and Attribute Model, What Would Be