Here you can find screenshots of the development of this project and the various pages. This assignment was to develop a database for a car rental company, to pass through all planning and development stages and then build it in MySQL with a couple database queries.
Step 1: Requirements Analysis
Step 2: The Entity-Relationship Model
Step 3: The Unified Modeling Language (UML)
In this case, also refined to the Third Normal Form (3NF)