Web Architecture, Java Ecosystem, Software Craftsmanship

Database

How To Use UUIDs With Hibernate And MySQL

Posted on Aug 15, 2016

How To Use UUIDs With Hibernate And MySQL

Auto increment IDs are not working well when it comes to distributed databases. Instead, we should use UUIDs. Let’s consider the pros and cons of UUIDs and how we can use them with Hibernate and MySQL.

'MongoDB for Java Developers' (M101J) I: Experiences and Assessment

Posted on Feb 21, 2016

'MongoDB for Java Developers' (M101J) I: Experiences and Assessment

I attended the course “MongoDB for Java  Developer” (M101J). It was fun and I learned a lot about MongoDB. I like to share my gained knowledge and experience in a two-part series. In this first part I assess the course and state, whether or not the course is worth the time.

Databases as a Challenge for Continuous Delivery

Posted on Nov 28, 2015

Databases as a Challenge for Continuous Delivery

Applying Continuous Delivery means to automate the delivery pipeline and to release frequently.  However, databases are a big challenge, because with every deployment we may need to update and migrate our database before we can deploy our application. This post points out solutions for dealing with databases in a Continuous Delivery scenario.

Why Relational Databases are not the Cure-All. Strength and Weaknesses.

Posted on May 14, 2015

Why Relational Databases are not the Cure-All. Strength and Weaknesses.

Relational Databases seem to be the universal hammer in the toolbox of every developer. There is the notion that you can solve every problem with it – you just have to smash hard enough. However, if you use relational databases out of habit, you can easily run into troubles when it comes to schema evolution, scalability, performance or certain domains. This post discusses the strength and weaknesses of relational databases and points out alternatives.