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Canonical Data Model   
An Access Database is available.

Conceptual Data Model

Conceptual Data Model
ERwin ERD Logical Data Model

   ERwin Data Model
Vertabelo Database Model with a Subject Area

   Vertabelo Data Model
Generic Events Data Model - Phase 1

Generic Events
We are validating our Generic Events Model (shown on the left)
in a Proof-of-Concept using Oracle's Apex Data-as-a-Service in the Clouds.
Generic Events Data Model - Phase 2

Generic Events - Phase 2
I was staying in the London Syon Park Hilton Hotel when I
created this Model and I realised I needed to extend
the Data Model to handle this.
My solution was to add an 'Accommodation' Event Type to the Generic Events Entity.
I promised myself I would think about it over the next day or two.
Generic Events Data Model - Phase 3

Generic Events - Phase 3
On the way to Bicester Shopping Village, I realized I needed to include Queuing somewhere.
So I added it here, and reflected that it was a Generic Event Type.

Barry Williams
Principal Consultant
Database Answers Ltd.
London, England
September 25th. 2015

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