1. Keep the persistence 2 with SQL database 2, the object relationship system does not match 3, the basic main point of persistence layer 4, object / relational map
1.1 What is a persistence 1.1.1 Relational database 1.1. 2 understands SQL1.1. 3 Use SQL1.1.4 Object-Oriented Application Persistent 1.2.1 Parthenometer 1.2.2 Sub Type Question 1.2.3 Identity's question 1.2.4 Associated issues 1.2.5 Object diagram 1.2.6 Matching fees
1.3 Persistent layers and optional 1.3.1 hierarchical architecture 1.3.3 Manual coding persistence 1.3.3 Using Serialization 1.3.4 Understanding EJB Entity Bean 1.3.5 Object Database 1.3.6 Other Options 1.4 Object / Relationship Mapping 1.4 .1 What is ORM 1.4.2, ORM's general problem 1.4.3, why ORM 1.5 small knot
