December 2017
Intermediate to advanced
372 pages
8h 46m
English
Content preview from Java EE 8 Application Development
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Object Relational Mapping with the Java Persistence API
Any non-trivial Java EE application will persist data to a relational database. In this chapter, we will cover how to connect to a database and perform CRUD (Create, Read, Update, Delete) operations.
The Java Persistence API (JPA) is the standard Java EE Object Relational Mapping (ORM) tool. We will discuss this API in detail in this chapter.
Some of the topics covered in this chapter include:
- Retrieving data from a database through JPA
- Inserting data into a database through JPA
- Updating data in a database through JPA
- Deleting data in a database through JPA
- Building queries programmatically through the JPA Criteria API
- Automating data validation through JPA 2.0's Bean Validation support ...