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Samples for "Hibernate performance tuning" talk

Java 100.00%

java hibernate orm jpa performance-tuning performance persistence java-persistence-api java-learning java-study

hibernate-performance's Introduction

This is a set of samples for basic features of Hibernate covered in "Hibernate performance tuning".

You are free to use and distribute them as is if you promise to run tests and understand how things work under the hood. ;)

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Line 30 in 29303d2

    
           List<Client> clients = session.createQuery("select c from NPlusOneClient c join fetch c.accounts where c.age >= :age")

Is it expected that we get here 13 clients because of join, while in database we have only 10?

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