This repo contains different versions of the starter code for aa10-sql-aggregates, with each version stored in a program-specific branch. To download or clone the correct branch, choose a method ...

An aggregate function is a special SQL function that performs a calculation on multiple rows of a table and returns a single value.

Still using joins for this? You’re making SQL harder than it needs to be. Aggregates + window functions let you compute group-level metrics without collapsing your data. That means you can: - Keep row ...

This article delves into the limitations of PostgreSQL materialized views when it comes to real-time analytics and introduces a groundbreaking solution called continuous aggregates. Unlike traditional ...

edit: I didn't read the whole question. :facepalm: But basically, grouping by the day of week in place of date should get you where you want to go. Start with the query you posted above, then use that ...

Generate hierarchical JSON aggregates from GAA Parquet data using SQL (DuckDB). This is an SQL-based version for debugging purposes. It produces the same output as create_aggregates.py but uses SQL ...