1. Introduction to Databases Introduction and Conceptual Modelling Prof. Beat Signer Department of Computer Science Vrije Universiteit Brussel http://www.beatsigner.com 2…
DataBase Data Modeling Using the Entity-Relationship Model Data Modeling • Process of creating a logical representation of the structure of the database • The most important…
1. Introduction to Databases Relational Database Design Prof. Beat Signer Department of Computer Science Vrije Universiteit Brussel http://www.beatsigner.com 2 December 2005…
Notes of ENTITY RELATIONSHIP Modelling Entity – Relationship(ER) Modelling ER Model Concepts --Entities and Attributes -- Entity Types, Value Sets, and Key Attributes --Relationships…
1. PB204 Jabatan Perdagangan POLITEKNIK SEBERANG PERAI DATABASEAPPLICATION 2. DATA MODELLING2.0 3. Entity Relationship Diagram What is Entity? “ An entity is a business…
1. 2. Entity Relationship(ER) Model DATABASE MANAGEMENT SYSTEMS 2. THE RELATİON MODEL Relational databases are based on the relational model of data. Code defined the term‘data…
Conversion of E-R Diagram to Tables • For each entity set and relationship set there is a unique table, which is assigned the name of the corresponding entity set or relationship…
Notes of ENTITY RELATIONSHIP Modelling Entity – Relationship(ER) Modelling ER Model Concepts --Entities and Attributes -- Entity Types, Value Sets, and Key Attributes --Relationships…
1. diagramChapter:3 Conceptual Design(E-R Digram)Mrs. Swapnaja More 2. Objectives• To illustrate how relationships betweenentities are defined and refined.• To know how…