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Lecture Notes 4 DBMS Notes PDF

4 Pages·2017·English
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by ['Vignesh Chanthirasekar']| 2017| 4 pages| English

About Lecture Notes 4 DBMS Notes

The document discusses different data models including object-based logical models, record-based logical models, and physical models. It focuses on two specific models: the Entity-Relationship model and the Relational model. The Entity-Relationship model uses entities, attributes, and relationships to describe data. An example ER diagram for a library database with Books and Users entities is shown. The Relational model represents both data and relationships using tables, with columns representing attributes and rows representing entities/tuples. The library database example is then represented using tables for the Books, Users, and their relationship.

Detailed Information

Author:['Vignesh Chanthirasekar']
Publication Year:2017
Pages:4
Language:English
Format:PDF
Price:FREE
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