Pro JPA 2 in Java EE 8: An In-Depth Guide to Java Persistence APIs

© Mike Keith, Merrick Schincariol, Massimo Nardone 2018

Mike Keith, Merrick Schincariol and Massimo NardonePro JPA 2 in Java EE 8https://doi.org/10.1007/978-1-4842-3420-4_11

11. Advanced Queries

Mike Keith¹ , Merrick Schincariol² and Massimo Nardone³

(1)

Ottawa, Ontario, Canada

(2)

RR 3, RR 3, Almonte, Ontario, Canada

(3)

Helsinki, Finland

 

At this point, most of you will know enough about queries from what you have learned so far that you will likely not need any of the material from this chapter. In fact, roughly half of this chapter deals with using queries that will couple your application to a target database, so they should be used with some degree of planning and caution in any case.

The JPA version 2.2 did not introduce any new features related ...