Chapter 3.  The Persistence Tier

3.1  How to Model the Table Structure

3.2  How to Model an Entity

3.3  How to Model an Attribute

3.4  How to Add Constraints

3.5  How to Model an Entity Relationship

3.6  Modeling Many-to-Many Relationships

3.7  Modeling Multiple Relationships and Self-Linking

3.8  How to Model Keys

3.9  How to Link to a Legacy Database

3.10  How to Apply Optimistic Record Locking