Next: Object-based Logical Models
Previous: Data Abstraction
Data models are a collection of conceptual tools for describing data,
data relationships, data semantics and data constraints.
There are three different groups:
We'll look at them in more detail now.
- Object-based Logical Models.
- Record-based Logical Models.
- Physical Data Models.
Page created and maintained by Osmar R. Zaï ane
Sun Sep 10 16:58:49 PDT 1995