In the E-R model,the primary record key of a file is indicated by:
A)An asterisk
B)Underlining
C)Using a square
D)Printing the term (e.g.,part number)in italics

Question

Quizplus · Accepted Answer

In the E-R model, the primary record key of a file is indicated by underlining. This helps to identify the unique identifier attribute(s) for the entity or relationship that the record represents.

In the E-R Model,the Primary Record Key of a File