-Using the database depicted above,"Date" is best described as
A)a primary key.
B)a foreign key.
C)a non-key attribute.
D)an attribute.

Question

-Using the database depicted above,"Date" is best described as
A)a primary key. 
B)a foreign key. 
C)a non-key attribute. 
D)an attribute.

Quizplus · Accepted Answer

"Date" is best described as a non-key attribute because it does not uniquely identify a record by itself (unlike a primary key) and it is not used to establish a relationship with another table (unlike a foreign key). It is simply an attribute that holds data within a record.

-Using the Database Depicted Above,"Date" Is Best Described as