A company has several departments. Each department has a supervisor and at least one employee. Employees must be assigned to at least one, but possibly more departments. At least one employee is assigned to a project, but an employee may be on vacation and not assigned to any projects. Construct an ERD (with cardinality) based on this narrative.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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contruct an erd with cardinality

c)
A company has several departments. Each department has a supervisor and at least one
employee. Employees must be assigned to at least one, but possibly more departments. At
least one employee is assigned to a project, but an employee may be on vacation and not
assigned to any projects. Construct an ERD (with cardinality) based on this narrative.
Transcribed Image Text:c) A company has several departments. Each department has a supervisor and at least one employee. Employees must be assigned to at least one, but possibly more departments. At least one employee is assigned to a project, but an employee may be on vacation and not assigned to any projects. Construct an ERD (with cardinality) based on this narrative.
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