Blog: vlad mihalcea


216 blogs updated: 45 min. ago
How do find and getReference EntityManager methods work when using JPA and Hibernate
Introduction While doing my High-Performance Java Persistence training, I realized that not all developers are familiar with the getReferenc...
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20-06-2018 12:14:51 vlad mihalcea Advanced
A beginner's guide to Non-Repeatable Read anomaly
Introduction Database transactions are defined by the four properties known as ACID. The Isolation Level (I in ACID) allows you to trade off...
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13-06-2018 10:06:27 vlad mihalcea Advanced
MariaDB 10.3 supports database sequences
Introduction Traditionally, both MySQL and MariaDB relied on AUTO_INCREMENT columns to generate an IDENTITY Primary Key. ALthough IDENTITY c...
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06-06-2018 11:50:51 vlad mihalcea Advanced
How to improve statement caching efficiency with IN clause parameter padding
Introduction Recently, I stumbled on the following Twitter thread: This jOOQ feature is indeed really useful since it reduces the number of ...
3
30-05-2018 13:49:59 vlad mihalcea Advanced
A beginner's guide to Dirty Read anomaly
Introduction Database transactions are defined by the four properties known as ACID. The Isolation Level (I in ACID) allows you to trade off...
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23-05-2018 10:11:00 vlad mihalcea Advanced
A beginner's guide to Linearizability
Introduction Linearizability is a lesser-known, yet omnipresent property of a data registry in the context of read and write operations that...
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17-05-2018 08:58:20 vlad mihalcea Advanced
How to synchronize bidirectional entity associations with JPA and Hibernate
Introduction While answering this StackOverflow question, I realized that it's a good idea to summarize how various bidirectional associatio...
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08-05-2018 11:11:43 vlad mihalcea Advanced
How to use @PrePersist and @PreUpdate on Embeddable with JPA and Hibernate
Introduction In a previous article, I explained how you could audit entity modifications using the JPA @EntityListeners for embeddable types...
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02-05-2018 09:31:38 vlad mihalcea Advanced
How to avoid the Hibernate Query Cache N+1 issue
Introduction I recently answered this question on the Hibernate forum, and since it's a very good one, I decided to turn it into an article....
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24-04-2018 10:14:43 vlad mihalcea Advanced
9 High-Performance Tips when using PostgreSQL with JPA and Hibernate
Introduction To get the most out of the relational database in use, you need to make sure the data access layer resonates with the underlyin...
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17-04-2018 15:27:01 vlad mihalcea Advanced


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