Revision ch 3
Entity Relationship Model
Ch 3 E R Model
Entity-Relationship (ER) Modeling. Database Design Process Conceptual Model Logical Model External Model Conceptual requirements Conceptual requirements.
Entityrelationshipmodel
IS 4420 Database Fundamentals Chapter 3: Modeling Data in the Organization Leon Chen.
© 2007 by Prentice Hall (Hoffer, Prescott & McFadden) 1 Entity Relationship Diagrams (ERDs)
© 2009 Pearson Education, Inc. Publishing as Prentice Hall 1 Chapter 3: Modeling Data in the Organization.
Entity-Relationship Model Ch. 3 Mr John Ortiz. Lecture 2Entity-Relationship Model2 Overview of Database Design Steps in building a database for an application.
DATABASEMODELSDATABASEMODELS A database model ◦ defines the logical design of data. ◦ Describes the relationships between different parts of data.
Entity-Relationship Model
Entity-Relationship Model Ch. 3
