Entity-relationship (E-R) diagrams are time-tested models for database development well-known for their usefulness in mapping out clear database designs. Also commonly known is how difficult it is to master them. With this comprehensive guide, database designers and developers can quickly learn all the ins and outs of E-R diagramming to become expe
Table of Contents
The Software Engineering Process and Relational Databases. Normal Forms. The Basic ER Diagram - A Data Modeling Schema. Beyond the First Entity Diagram. Extending Relationships/Structural Constraints. The Weak Entity. Further Extensions for ER Diagrams with Binary Relationships. Ternary and Higher Order ER Diagrams. Generalizations and Specializations. Relational Mapping and Reverse Engineering ER Diagrams. A Brief Overview of the Barker/Oracle-like Model.