JaybeeSQL - Friday, January 12, 2018 10:19 AM
First, familiarize yourself with concepts of dimensional modeling, star-schema, slowly changing dimensions, ETL. Afterward, focus on tools like SSAS, SSIS, and maybe vendor specific frameworks.
Ralph Kimball is a good guide. His book below is perhaps one of the greatest ever written on the topic.
The Data Warehouse Toolkit: The Definitive Guide to Dimensional Modeling
https://www.amazon.com/Data-Warehouse-Toolkit-Definitive-Dimensional/dp/1118530802
Articles & Design Tips
https://www.kimballgroup.com/category/articles-design-tips/
"Do not seek to follow in the footsteps of the wise. Instead, seek what they sought." - Matsuo Basho