Examples With Solutions Pdf — Eer Diagram

Entity-Relationship (ER) diagrams are the blueprints of database design. They help you visualize how data points relate to one another before you write a single line of SQL.

A company has employees. Each employee has a unique ID, name, and salary. An employee can work on many projects, and a project can have many employees. Record the hours per week for each employee on a project. Each project has a unique project number, name, and a single managing employee. Eer Diagram Examples With Solutions Pdf