Database Basic Definitions Database: A collection of related data. Database Management System (DBMS): A software package/ system to facilitate the creation and maintenance…

Slide 3- * Chapter 3 Data Modeling Using the Entity-Relationship (ER) Model Slide 3- * Overview of Database Design Process Two main activities: Database design Applications…

* Entity-Relationship Model Gang Qian Department of Computer Science University of Central Oklahoma * Overview (Chapters 7 and 9) Overview of Database Design Process ER Model…

Database Systems – ER Diagrams EXAMPLE COMPANY DATABASE Requirements of the Company (oversimplified to illustrate) The company is organized into DEPARTMENTs. Each department…

Data Modeling Using the Entity-Relationship (ER) Data Model ER Model Concepts Entities and Attributes Entity Types, Value Sets, and Key Attributes Relationships and Relationship…