POSC Meta Model Specifications Version 2.3 |
Logical Data Model |
The source for the components of the schemas. Used either for Epicentre version number or for local extensions. For example, Epicentre V2.0, Shell epi extensions 3.1. This provides a way of distinguishing local extensions to Epicentre even if they are added to the main Epicetnre schema.
- name (M, K: string(40))
- The name of the source, for example Epicentre V2.0.
- versn_date (M: date)
- The date this source was loaded into the meta data.
Local rules:
- Uniqueness Constraint
- name
Entity projects as table SOURCE.
Referenced in Diagrams:
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