Chapter 25. Persistence in the Web Tier
This chapter describes how to use the Java Persistence API from web applications. The material here focuses on the source code and settings of an example called bookstore, a web application that manages entities related to a book store. This chapter assumes that you are familiar with the concepts detailed in Chapter 24.
Accessing Databases from Web Applications
Data that is shared between web components and is persistent between invocations of a web application is usually maintained in a database. Web applications use the Java Persistence API (see Chapter 24) to access relational databases.
The Java Persistence API provides a facility for managing the object/relational mapping (ORM) of Java objects to persistent ...
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