Pro Jakarta Persistence in Jakarta EE 10: An In-Depth Guide to Persistence in Enterprise Java Development

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

L. Jungmann et al.Pro Jakarta Persistence in Jakarta EE 10https://doi.org/10.1007/978-1-4842-7443-9_8

8. Query Language

Lukas Jungmann¹  , Mike Keith², Merrick Schincariol³ and Massimo Nardone⁴

(1)

Prague, Czech Republic

(2)

Ottawa, ON, Canada

(3)

Almonte, ON, Canada

(4)

HELSINKI, Finland

 

The Jakarta Persistence API provides two methods for querying entities—the Jakarta Persistence query language (Jakarta Persistence QL) and the Criteria API.

The Jakarta Persistence QL is the string-based standard query language of Jakarta Persistence. It is a portable query language designed to combine the syntax and simple query semantics of SQL with the expressiveness of an object-oriented ...