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Data and relationship model
Last updated on
23 February 2017
Simple Model
This is the model that is important to most people.
Event ─► Registration(s) ─► Registrant(s) ─► Person
- Each Event entity can have many Registrations (zero or more)
- Each Registration can have many Registrant entities (usually one or more).
- Each Registrant entity has exactly one person entity (or zero if the person was deleted).
The Event and Person entity types can be any entity type. Registration and Registrants are always these entity types and do not change
Full Model
┌─ Event Type
├─ Registration Type(s)
└─►Event ─┬─► Registration(s) ─┬─► Registrant(s) ─► Identity
├────────────────────┴─► Group(s)
└─► Rule(s) ─┬─► Action(s)
└─► Condition(s)Help improve this page
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