Beginning Hibernate 6: Java Persistence from Beginner to Pro

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

J. B. Ottinger et al.Beginning Hibernate 6https://doi.org/10.1007/978-1-4842-7337-1_5

5. An Overview of Mapping

Joseph B. Ottinger¹  , Jeff Linwood² and Dave Minter³

(1)

Youngsville, NC, USA

(2)

Austin, TX, USA

(3)

London, UK

 

The purpose of Hibernate is to allow you to treat your database as if it stores Java objects. However, in practice, relational databases do not store objects – they store data in tables and columns. Unfortunately, there is no simple way to consistently correlate the data stored in a relational database with the data represented by Java objects.¹

The difference between an object-oriented association and a relational one is fundamental. Consider ...