Each entity in a database has a unique attribute called a(n) ________.
A) public key
B) identifier
C) foreign key
D) index field
E) prime value

Question

Quizplus · Accepted Answer

An identifier, also known as a primary key, is a unique attribute that identifies each entity in a database. It is used to ensure that data is stored and retrieved accurately. Public keys are used for encryption and decryption, foreign keys are used to link tables in a database, index fields are used to optimize searching, and prime values are used in cryptography.

Each Entity in a Database Has a Unique Attribute Called