Such a design can be detailed into a logical data model.
This will make it use our store object as its data model.
They show how the different parts of a data model interact with each other.
See the figure on the right for an example of the interaction between business process and data models.
Instead a data model should be considered a living document that will change in response to a changing business.
The primary reason for this cost is that these systems do not share a common data model.
Several techniques have been developed for the design of data models.
This data model is based on the nuclear family and the individual.
Because of this, there is no need for a fixed data model.
The data model is often based on an informal domain analysis.