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

Question

Quizplus · Accepted Answer

In an E-R (Entity-Relationship) model of a database, the primary key of a record is indicated by underlining the attribute name. This convention helps to visually distinguish primary keys from other attributes in the model.

In an E-R Model of a Database, This Indicates the Primary