How cool is integration testing with Spring and Hibernate

I am guilty of not writing integration testing (At least for database related transactions) up until now. So in order…

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JPA/Hibernate: Version-Based Optimistic Concurrency Control

This article is an introduction to version-based optimistic concurrency control in Hibernate and JPA. The concept is fairly old and…

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Batoo JPA – 15x Faster Than The Leading JPA Provider

Introduction I loved the JPA 1.0 back in early 2000s. I started using it together with EJB 3.0 even before…

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Logging Hibernate SQL

There are two well-known ways to log Hibernate SQL in Grails; one is to add logSql = true in DataSource.groovy…

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Spring – DAO and Service layer

Welcome to the third part of Spring tutorial. In this part, we will continue in writing our Timesheet application and…

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Spring – Persistence layer – writing entities and configuring Hibernate

Welcome to the second part of this tutorial. Don’t freak out when you see how long this article is –…

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Hibernate: save vs persist and saveOrUpdate

What is difference between save and saveOrUpdate or Difference between save and persist are common interview question in any Hibernate…

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Customizing Spring Data JPA Repository

Spring Data is a very convenient library. However, as the project as quite new, it is not well featured. By…

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Hibernate native SQL features into your Spring Data Repository

JPA provides @NamedNativeQuery for you to use native SQL. However, the usage is not so convenient, especially when you need…

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