In the table called Perform Machine Operations,which is the most likely primary key?
A) Equipment number
B) Job Operation number
C) Machine Operation Number
D) Machine Operations List Number

Question

Quizplus · Accepted Answer

The Machine Operation Number is the most likely primary key because it uniquely identifies each machine operation in the table. Equipment number may not be unique, as there could be multiple machines of the same type. Job Operation number and Machine Operations List Number are not specific enough to uniquely identify each machine operation.

In the Table Called Perform Machine Operations,which Is the Most