Improving Performance With SQL Aggregate Functions

In this article, you will learn how SQL aggregate functions can represent an easy way to significantly improve your application's performance. Mainly, you will see how they were a game-changer in a real-world scenario based on a data-driven application developed for a startup operating in the sports industry.

Let's now delve deeper into this scenario and learn why you can't ignore SQL aggregate functions in data science.

The Complete Apache Spark Collection [Tutorials and Articles]

In this edition of "Best of DZone," we've compiled our best tutorials and articles on one of the most popular analytics engines for data processing, Apache Spark. Whether you're a beginner or are a long-time user, but have run into inevitable bottlenecks, we've got your back!

Before we begin, we'd like need to thank those who were a part of this article. DZone has and continues to be a community powered by contributors like you who are eager and passionate to share what they know with the rest of the world.