Learn how to efficiently run multiple aggregations in SQL using GROUPING SETS, which allows scanning the table just once. This method is more efficient compared to using UNION with separate queries. The post provides a detailed example and a link to a Jupyter Notebook for practical implementation.

4m read timeFrom blog.dailydoseofds.com
Post cover image
Table of contents
BackgroundThe standard approachThe smart approach — Grouping SetsAre you overwhelmed with the amount of information in ML/DS?

Sort: