A conceptual data model identifies
the highest-level relationships between the different entities. Features of
conceptual data model include:
- Includes the important entities and the relationships
among them.
- No attribute is specified.
- No primary key is specified.
The figure below is an example of a
conceptual data model.
Conceptual Data Model
From the figure above, we can see
that the only information shown via the conceptual data model is the entities
that describe the data and the relationships between those entities. No other
information is shown through the conceptual data model.
