to not miss any video. Database Migration You have various options to automate the creation and update of your database. You can use JPA’s schema generation feature or use version-based database migration tools, like Flyway and Liquibase. I explained all of them in great detail here on the blog. You can find links to all…
Wow, 2020 has been a wild one. I’m sure all of us could talk for hours about the problems and all the stuff we were unable to do. So, let’s skip that and focus on the good parts. There were quite a few things that went unexpectedly well. I will summarize the most interesting ones…
Disclaimer: This post is sponsored by Cockroach Labs. CockroachDB is an open-source relational database designed to be highly scalable and reliable in distributed environments. It’s available on AWS and Google Cloud or as an on-premise installation. This makes it an interesting candidate for microservice-based applications. If you want to give it a try or if…
When we’re talking about performance optimizations for Spring Data JPA, the handling of associations is always an important topic. Because Spring Data JPA is based on JPA and most often used with Hibernate, you can apply all the performance tuning concepts you can find here on the blog. The most important one is to use…
JPA and Hibernate provide 3 main options to map a Collection. If it’s a Collection of other entities, you can model it as a to-many association. This is the most common mapping. But you can also map it as an @ElementCollection or as a basic type. In this article, I will show you all 3…
