Data model is a collection of conceptual tools for describing data, data relationships, data semantics, and consistency constraint A data model provides a way to describe the design of a database at the physical, logical, and view levels. There are number of different data models are as follow
TYPES OF DATA MODELS : A collection of tools for describing data data relationships data semantics data constraints Entity-Relationship model Relational model Other models: object-oriented model semi-structured data models Older models: network model and hierarchical modal
