Data Model In Database Data Model in Database: A representation of a real universal process, device or concept is known as Data Model. A data model (or database model) is…
Record-Based Data Model
Record-Based Data Model: Record-Based Data Model are between conceptual data model and physical data models. These are also known as Representational or Implementation Data Model. These models are used to describe conceptual, external, as well as internal level of database. These models provide concept that may be understood by end-user but hide some detail of data storage. These models represent data by using record structures that is why these are known as Record-Based Model. These models are used in traditional commercial DBMS.
The major types of these models are
- Hierarchical Data Model
- Network Data Model
- Relational Data Model