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 ...

One of the most important steps in desiging a database is establishing the data model. Part one of a two-part article describes how to create a logical model.

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 ...

Logical Systems and Model Theory constitute a foundational area bridging mathematics, computer science and philosophy through the formalisation of reasoning. By abstracting the essential ...

A core activity in information systems development involves building a conceptual model of the domain that an information system is intended to support. Such models are created using a ...