About this document
Unit 1&2 DBMS by 18BIT4065-Ramar K is a document available to read on EtoBox.
The document discusses the Entity-Relationship (ER) model, which is a high-level data model used to design databases through diagrams. It covers key concepts such as superclasses, subclasses, inheritance, generalization, specialization, and various constraints, providing examples and diagrams for clarity. Additionally, it outlines the process of converting ER models to relational models and introduces the Enhanced Entity-Relationship (EER) model for more complex data representation.
- Author
- 18BIT4065-Ramar K
- Language
- EN