Summary: March 23, 2008 DB:ER Model 1
ENTITY-RELATIONSHIP MODEL
March 23, 2008 DB:ER Model 2
Objectives
Entities and Attributes +
Initial Conceptual Design of the COMPANY Database +
Relationships +
Weak Entity Types +
Higher Degree Relationships +
Refining the ER Diagram for the COMPANY Database +
Summary of ER Diagram Notations +
Alternative Notations for ER Diagrams +
March 23, 2008 DB:ER Model 3
- Entities and Attributes
Entity Types +
Entity Sets +
Key Attributes of an Entity Type +
Value Sets (Domains) of Attributes +
ER Diagrams for Entities and Attributes +
March 23, 2008 DB:ER Model 4

Source: Adam, Salah - Department of Information and Computer Science, King Fahd University of Petroleum and Minerals

Collections: Computer Technologies and Information Sciences