The Data Model asset is the highest level of organizational structure in the logical data layer, and defines the specific structure of data in a System.
Key relation types
Data Model assets are:
|
Related to... |
Via the relation type... |
Description |
|---|---|---|
| System assets | System implements / is implemented in Data Model |
One-to-one relation, whereby:
Note The one-to-one nature of this relationship is what makes Data Models – and, therefore, the entire logical data layer – context-dependent, as opposed to the context-independent conceptual data layer.
|
| Data Entity assets | Data Model contains / is contained in Data Entity |
One-to-many relation, whereby:
|