Usually, our applications operate with the current state of a domain object. But sometimes, we need to know the entire history of the domain object changes. For example, we want to know how an order ...

所谓“多租户（Multi-Tenancy）”，本质上就是：一套系统，同时服务多个客户，并且每个客户的数据互相隔离。 很多团队第一次做 SaaS 系统时，对“多租户”这件事的理解都非常粗暴。 数据库实例爆炸、连接池失控、迁移困难、资源利用率极低。 更致命的是 ...

In this post, you'll learn how to run a Java Spring Boot application on Azure Kubernetes Service (AKS) and connects to Azure PostgreSQL using Azure AD Pod identity. Azure Kubernetes Service (AKS) is a ...

Prototyping is my favorite part of programming. I like building new stuff and getting things working. It’s no surprise, then, that I am a big fan of MongoDB and NoSQL in general. Don’t get me wrong: I ...

If you are using Flyway to manage the schema of one of the above databases, add a dependency on the appropriate new module. H2 2.1 Spring Boot 2.7 has upgraded to H2 2.1.120. H2 2.x is backwards ...

Abstract: Working with different DBMS for programmers in their daily work represents a significant challenge in terms of choosing the appropriate way of connecting to the DBMS for the appropriate ...

Choosing a Java framework is not about which one is best, it's about accepting their tradeoffs of stability, flexibility and complexity. Here's how to evaluate each vs. your needs. Continue Reading ...

Software engineer, writer, and foodie based out of Seattle. If you are creating a new Spring Boot project, one question you will inevitably need to answer is: What database should I use? Luckily, ...