Primary keys for entity types:
A) Can be automatically generated by a DBMS
B) Should be single purpose
C) Are sometimes determined by industry or organizational practice
D) All of the above

Question

Quizplus · Accepted Answer

All of the given options are true. Therefore, the best choice is D, which indicates that all the options are correct. Primary keys are unique identifiers of a record in a table. They can be automatically generated by the database management system, should have a single purpose, and can be determined based on industry or organizational practice.

Primary Keys for Entity Types