1. System models 2. Objectives• To explain why the context of a system shouldbe modelled as part of the RE process• To describe behavioural modelling, datamodelling and…
1. System models 2. Objectives• To explain why the context of a system shouldbe modelled as part of the RE process• To describe behavioural modelling, datamodelling and…
Slide 1 Requirements Specification System Contexts System Models Use Cases System and Acceptance Test Plans Slide 2 Topic 7Requirements Specification2 What ? Requirements…
Slide 1 Fundamentals of Database Concepts Lecture 2: Modeling Data in the Organization Dr. Taysir Hassan Abdel Hamid IS Department, Faculty of Computers and Information Assiut…
Slide 1 Chapter 4 The Enhanced Entity-Relationship (EER) Model Dr. Bernard Chen Ph.D. University of Central Arkansas Slide 2 EER Model The ER model concepts are sufficient…
Slide 1 Introduction of DB Database System Concepts and Architecture Slide 2 Data Models Data Model: A set of concepts to describe the structure of a database, and certain…
Chapter 2 Database System Concepts and Architecture Outline Data Models and Their Categories History of Data Models Schemas, Instances, and States Three-Schema Architecture…