Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on. The physical model is built on tables.

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 ...

Without the proper logical analysis of the functional dependencies across the data, some tables may actually be, semantically speaking, odd collections and very unnatural creatures. Ubiquitous ...

Figure 2: A schematic representation of the logical model of the aromatic amino acid pathway in yeast. We needed a way of representing prior biological knowledge in the computer, so we developed a ...