Automatically Saving Child Entities in JPA

In JPA applications, we often encounter entities with parent-child relationships. Persisting these entities efficiently involves saving the parent and automatically…

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Querydsl vs. JPA Criteria

Querydsl and JPA Criteria are widely used frameworks for creating type-safe queries in Java. Both offer methods to express queries…

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Refresh and Fetch an Entity After Save in Spring Data JPA

The Java Persistence API (JPA) serves as a connector linking Java objects and relational databases, facilitating the smooth persistence and…

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Changing The Way We Use JPA

I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of…

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Java 16 Records with JPA and jOOQ

Java Records The new Java version 16 includes a new feature: Records https://openjdk.java.net/jeps/395 “Enhance the Java programming language with records, which are…

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How to get Type-Safe and Intuitive Hibernate/JPA Queries by Leveraging Java Streams

A large proportion of Java database applications are using Hibernate/JPA to bridge the gap between Java and SQL. Until recently,…

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Spring boot data JPA – Query for nested object

Nowadays spring boot and spring data are widely used frameworks. If you are building web application in java, spring boot…

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Spring Boot Data JPA – beginner guide

Databases form an integral part of computer applications. With it comes considerable amount of database operations and the corresponding code.…

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JPA @Embeddable and @Embedded

Introduction: As an object-oriented developer, we want to avoid having larger classes with tons of unrelatable fields. And so, we…

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