This is the forth post in this series and I want to keep it short and simple. A domain can be modeled in many ways and so can databases. As long as I deal with them, I always preferred the approach: Database (model) first. Usually, data is much longer around than applications and I don’t […]
In the previous post I presented various ways how to get data into Neo4j. Now that you have a lot of connected data and it’s attributes, how to access, manipulate, add to them and delete them? I’m working with and in the Spring ecosystem quite a while now and for me the straight answer is […]
This is the second post in the series of From relational databases to databases with relations. Check the link to find all the other entries, too. The source code for everything, including the relational dataset is on GitHub: https://github.com/michael-simons/bootiful-music.The post has also been featured in This Week in Neo4j. To feel comfortable in a talk, […]
In the summer of 2018, I joined Neo4j. This seems odd at first, my “love” for relational databases and SQL is known. I didn’t have this slide in my jOOQ presentation for two years now without reason. But: Looking at the jOOQ and SQL talks from the perspective of early 2000s, they also seemed odd […]
The Spring Framework has had an outstanding, declarative Transaction management for years now. The configurable options maybe overwhelming at first, but important to accommodate many different scenarios. Three of them stick out: propagation, isolation and to some lesser extend, read-only mode (more on that a bit later) propagation describes what happens if a transaction is […]