The best way to write a Spring Data Exists Query
Introduction In this article, I’m going to show you the best way to write a Spring Data Exists Query that’s efficient from an SQL perspective. While doing consulting, I’ve encountered several options that are commonly used without developers knowing there are actually better alternatives.
A beginner’s guide to Serializability
Introduction In this article, we are going to see what Serializability means and what guarantees does it offer. Relational database systems provide a Serializable isolation level that’s supposed to provide transaction Serializability. However, as you will soon see, some databases even provide Strict Serializability, which is a combination of Serializability and Linearizability.
Spring Boot Application Properties
Introduction In this article, I’m going to show you the best way to configure the Spring Boot Application Properties file. This is not just theoretical advice. I applied all these tips when developing RevoGain, a web application that allows you to calculate the gains you realized while trading stocks, commodities, or crypto using Revolut.