The logical data model defines the structure of the data elements and set the relationships between them. The physical Data Model describes the database-specific implementation of the data model.

Dec 14, 2023 · Unlike a physical data model, which is specific to a particular database system, a logical data model focuses on the business concepts and rules that govern the data.

Learn how to create and use a logic model, a visual representation of your initiative's activities, outputs, and expected outcomes.

The logical data model is a more refined version of the conceptual model. It diagrammatically represents data constraints, entity names, and relationships for implementation in a platform-independent way.

A logical model contains representations of entities and attributes, relationships, unique identifiers, subtypes and supertypes, and constraints between relationships. A logical model can also contain …

Mar 1, 2023 · A logical data model (LDM) is a type of data model that describes data elements in detail and is used to develop visual understandings of data entities, attributes, keys, and relationships.

May 15, 2025 · The standard data modeling process begins with a conceptual data model, followed by the logical model. While the conceptual model captures abstract business requirements, the logical …

What is a logic model? A detailed visual representation of a program and its theory of change. Why develop a logic model? Inputs or resources include the human, financial, organizational, and …

Aug 6, 2025 · While the conceptual model maps out high-level business entities and relationships, the logical model adds more structure, attributes, keys, and normalization, while still staying tech …

May 16, 2024 · A logic model is a graphic representation of a program that shows the relationship between resources (inputs) and results (outcomes). The authors selected each item based on …