The logical data model (LDM) takes the conceptual data model further, defining the structure and details of the data entities, including their attributes, relationships, and constraints.

Learn the best practices for converting a logical data model to a physical data model in a RDBMS, including schema definition, normalization, denormalization, optimization, and validation.

A data model is a visual representation of data elements and the relations between them. Written by eWEEK content and product recommendations are editorially independent. We may make money when ...

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 ...

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 ...

However, within the logical data model the goal is to express the business rules and logic. Therefore, abstractions do not have to be avoided, but they should be used surgically. When an area of the ...

The preferred system may include a component for browsing and navigating the physical data model, logical data model, or the links between them, a component to answer queries about the application ...

We describe a visual analytics (VA) infrastructure, rooted on techniques in machine learning and logic-based deductive reasoning that will assist analysts to make sense of large, complex data sets by ...