Which of the following is true of an E-R diagram?
A) Every entity has an identifier.
B) Many-to-many relationships are generally denoted as N:N.
C) A crow's-foot is required to represent a 1:1 relationship.
D) Identifiers are shown in a section at the top of the entity.

Question

Quizplus · Accepted Answer

The Answer of Which of the following is true of an E-R diagram?
A) Every entity has an identifier.
B) Many-to-many relationships are generally denoted as N:N.
C) A crow's-foot is required to represent a 1:1 relationship.
D) Identifiers are shown in a section at the top of the entity.

Which of the Following Is True of an E-R Diagram