Comment by ethagnawl

It's great to see GROUP BY ALL introduced which, AFAIK, was a concept introduced by DuckDB.

> Several of these features were first introduced by DuckDB, while some are inspired by other systems. Many of the features originally introduced by DuckDB (e.g., GROUP BY ALL) have been since adapted by other systems.

https://duckdb.org/docs/lts/sql/dialect/friendly_sql