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In Spring Data JPA, projections provide a powerful way to retrieve specific fields or subsets of data from database without needing to load entire entities. This can help improve performance and reduce memory usage, especially when dealing with large data sets.

Spring Data JPA provides multiple ways to query data from a database, supporting various use cases, from simple to complex retrievals. In this post, we'll dive into each query type, explaining what it is, when to use it, providing examples to demonstrate how it work to help you decide the best approach for your projects.

When working with Java Persistence API (JPA), querying your data effectively is crucial. While JPQL (Java Persistence Query Language) is the most commonly used method for querying entities, JPA also offers another powerful option - Criteria Queries.

What happens when your application needs to handle a large volume of requests? One of the best solutions is to scale your application horizontally and implement load balancers. But what exactly is a load balancer, how does it work, and why should you use AWS-managed load balancer services? Let me explain it to you in this article.

In this article, we will explore Amazon Route 53, a highly available and scalable Domain Name System (DNS) web service. One of its key functions is routing internet traffic to resources based on domain names, and we will conduct a hands-on tutorial focused on this functionality.