Representation: Often presented using ER diagrams or UML class diagrams. Focus: Business rules, major entities, and relationships. Logical Data Model: Purpose: Defines detailed database structures ...

A logical data model is a conceptual representation of the data and its ... such as an entity-relationship diagram (ERD), or a textual notation, such as a data dictionary. A logical data model ...

This repo contains files and diagrams about the relational database of the DART's (Dallas Area Road Transport) bus transportation system. "EER Diagram" diagram has the logical data model of the system ...