Java EE to Jakarta EE 10 Recipes: A Problem-Solution Approach for Enterprise Java

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

J. Juneau, T. TelangJava EE to Jakarta EE 10 Recipeshttps://doi.org/10.1007/978-1-4842-8079-9_9

9. Jakarta Persistence Query Language

Josh Juneau¹   and Tarun Telang²

(1)

Hinckley, IL, USA

(2)

Hyperbad, India

 

The Jakarta Persistence API utilizes a query language for communicating with underlying data stores. Although Jakarta EE uses entities rather than SQL for database access, it provides a query language so that developers can obtain the required information via the entities. The Jakarta Persistence Query Language does just that because it provides a facility for querying and working with Jakarta EE entity objects. Although it is very similar to SQL, it is ...