If you were looking at an E-R diagram,how would you be able to identify a many-to-many relationship between two entities?
A)There would be multiple entities sharing the same name.
B)There would be a crow's foot on each end of the relationship between the two entities.
C)There would be a double-edged arrow pointing to the many side of the relationship.
D)There would be a double line linking the two entities together.

Question

Quizplus · Accepted Answer

The first rule of normalization states that no repeating groups or many-to-many relationships can exist among the entity classes.You can find these many-to-many relationships by simply looking at your E-R diagram and note any relationships that have a crow's foot on each end.

If You Were Looking at an E-R Diagram,how Would You