Entity Relationship Diagrams 1. Basic Elements and Rules.
© 2005 by Prentice Hall Chapter 9 Structuring System Data Requirements Modern Systems Analysis and Design Fourth Edition Jeffrey A. Hoffer Joey F. George.
McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 12 View Design and Integration.
Review: Hidden Markov Models Efficient dynamic programming algorithms exist for –Finding Pr(S) –The highest probability path P that maximizes Pr(S,P) (Viterbi)
Dr. Mohamed Osman Hegaz1 Conceptual data base design: The conceptual models: The Entity Relationship Model.
1 Outline What is ER Model? And Why? Example COMPANY Database ER Model Concepts ER Diagram Problems with ER Models Alternative Diagrammatic Notations.
Chapter 6 Developing Data Models for Business Databases.
Entity Relationship Modeling Objectives: To illustrate how relationships between entities are defined and refined. To know how relationships are incorporated.
Chapter 2: Foundation Concepts Data Modeling and Database Design.
