Question: Given the data requirements, design an Entity-Relationship diagram for the following statements. Show all entities along with minimum and maximum cardinalities. State any necessary assumption,

Given the data requirements, design an Entity-Relationship diagram for the following statements. Show all entities along with minimum and maximum cardinalities. State any necessary assumption, if required.

Note: You can upload the ERD image that can be either drawn by hand or online using any tool. Make sure to upload the image within the quiz duration. No extra time will be given to upload the image.

Statements:

A department employs many persons. A person is employed by, at most, one department.

A manager manages, at most, one department. A department is managed by, at most, one manager.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!