Question: Create two E - R diagrams for the information system. One diagram should show all entities and relationships including many - to - many relationships.

Create two E

-

R diagrams for the information system. One diagram should show all entities and relationships including many

-

-

many relationships. The second diagram will include all the entities in the first diagram. In addition, it will have bridge entities that replace many to

-

many relationship. You may use Chen

/

Crow

s foot notation. Do not list attributes on the ERDs.

There are

7

entities:

Customer

Order

Item

Employee

Sales Representatives

Driver

Truck

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