Data Model
- Provides a way to
describe the design of a DBat logical level. - Underlying the structure of the DB is the Data Model
- A collection of
conceptual toolsfor describing data, data relationships, data semantics & consistency constraints. - E.g:
ER model, Relational Model, object-oriented model, object-relational data model etc.
- A collection of
- Collection of
conceptual tools for describing data, data relationships, data semantics, and consistency