Learn the differences and uses of conceptual, logical, and physical data models for database development, and the benefits and tools of data modeling. Skip to main content LinkedIn Articles ...

Deliverable A. Basic Conceptual Data Modeling: In the basic conceptual data modeling task, I create an entity-relationship diagram using two entities: CLASSROOM and COURSE. Each entity has its ...

A logical model will explain a database design, but does not typically go all the way down to the level of detail which is used to specify the database’s platform specifics or physical format. An ...

Analysis Phase – Develop a Logical Data Model. This step is obviously the crucial starting point. There is no substitute for business knowledge. Any team that does not know the business has no ...

Image: Tee11/Adobe Stock. At its heart, data modeling is about understanding how data flows through a system. Just as a map can help us understand a city’s layout, data modeling can help us ...

This is a database project for an e-commerce scenario. The database was created to store information about customers, stocks, products, orders, suppliers and sellers (authorized stories). The ...

For example, a logical model might define what happens with a specific piece of data when ... data modeling tools deliver the diagrams and schemas for tying things together in the most seamless ...

In the simplest terms, a logical data model is a visual representation of the business rules and requirements covering the universe-of-discourse for a given solution or enterprise, along with some ...

Modeling Business Processes has become a challenging issue of todays' Knowledge Management. As such it is a core activity of Knowledge Engineering. There are two principal approaches to modeling such ...