An analyst has discovered that a company wishes to hold information about departments and employees. A department may have many employees in it, but each employee can, at any one time, only work in one department. There is no requirement to store historical information. However, there are currently eight departments and over one hundred employees. How would this relationship be shown on an Entity Relationship diagram?
A) As (8..100) at the Department end of the relationship.
B) As a many-to-many between Department and Employee.
C) As a one-to-one between Department and Employee.
D) As a one-to-many between Department and Employee.

Question

Quizplus · Accepted Answer

Each department may have many employees, but each employee can only work in one department at a time, therefore the relationship between Department and Employee would be one-to-many.

An Analyst Has Discovered That a Company Wishes to Hold