Logical Data Model

Content

The logical data model comprises:

• A Logical Data structure (LDS) diagram showing the entities and their direct relationships with each other (aka Entity Relationship Diagram or ERD)
• A set of relationship descriptors (usually on the diagram and further described with volumes and user role owner)
• A set of entity descriptions consisting of a list of data items and their descriptions, with keys and optionality identified.

Completeness and Consistency

It has been cross checked for completeness and consistency against dataflows and datastores in the Dataflow Model and events in the Event Catalogue.