As I have mentioned before, I am in the process of learning Spring JPA (I am already familiar with JPA), so I am watching a variety of videos.

This video showing a presentation by Jens Schauder at SpringOne Platform 2019, is a very good overview of what Spring Data JPA provides on top of JPA.

Slides can be found at https://www.slideshare.net/Pivotal/spring-data-jpa-from-0100-in-60-minutes.