An ER diagram can be expressed at different levels of abstraction, depending on the purpose and audience of your design. A conceptual ER diagram shows the high-level concepts and relationships of ...

Conceptual Database Design: ER Diagram; In the conceptual database design phase, I engaged in the creation of Entity-Relationship (ER) diagrams. These diagrams served as a foundational blueprint for ...

Step 2: Conceptual design – E/R diagram Design a conceptual model for the domain you have chosen and draw the resulting E/R diagram. You should clearly specify all types of entity (indicating whether ...

In this paper we present an approach to the use-case-driven conceptual design of the relational database completely based on the Unified Modeling Language (UML). We base the initial conceptual model ...

Abstract Entity relationship diagram (ERD) is one of the most widely used technique for data modeling. An ERD developed during the conceptual data modeling phase of the database development process is ...

Object-relational conceptual modeling tools do not support all new concepts available in SQL4. This study presents an enhanced empirical research framework for object-relational database design based ...