The most important characteristic of an entity is its _____ key, used to uniquely identify each entity instance.
A) primary
B) natural
C) foreign
D) surrogate

Question

Quizplus · Accepted Answer

The primary key is the most important characteristic of an entity as it uniquely identifies each entity instance. Natural keys may not always be available or may change over time, while surrogate keys are artificially created and not inherent to the entity. Foreign keys are used to establish relationships between entities.

The Most Important Characteristic of an Entity Is Its _____