What’s new in JPA 2.2
JPA 2.2 was only a small release, and I think that’s ok. JPA 2.1 already provides a good enough toolset for most applications. But there was nevertheless some work to do.
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Hibernate with PostgreSQL – 6 things you need to know
PostgreSQL is one of the most popular relational databases, and Hibernate is probably the most popular JPA implementation. So, it’s no surprise that they’re often used together and that you don’t have to expect any major issues doing that. But as so often, there is a difference between “it works” and “it works great”. Out…
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Ordering vs Sorting with Hibernate – What should you use?
OK, first of all, I’m sorry about the distinction between ordering and sorting. My English teacher would probably be mad at me if she would read this. But I didn’t come up with the names. That’s how the features are called in Hibernate. And yes, that are 2 different features. Both allow you to define…
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How to map an association as a java.util.Map
The java.util.List<SomeEntityClass> is the most common representation of a to-many association with JPA and Hibernate. But is it also the one that you want to use in your domain model? Does it fit your use cases or do you need smarter access to the associated elements? Let’s be honest, a simple java.util.List is good enough…
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Map Associations with JPA and Hibernate – The Ultimate Guide
Association mappings are one of the key features of JPA and Hibernate. They model the relationship between two database tables as attributes in your domain model. That allows you to easily navigate the associations in your domain model and JPQL or Criteria queries. JPA and Hibernate support the same associations as you know from your…
