On Tue, 23 Jul 2024 at 22:02, Peter Eisentraut <pe...@eisentraut.org> wrote: > Looks like the main existing implementations take it to mean all entries > in the SELECT list that are not aggregate functions. > > https://duckdb.org/docs/sql/query_syntax/groupby.html#group-by-all > https://docs.databricks.com/en/sql/language-manual/sql-ref-syntax-qry-select-groupby.html#parameters > https://docs.snowflake.com/en/sql-reference/constructs/group-by#parameters
Oracle added support for GROUP BY ALL too now: https://danischnider.wordpress.com/2025/08/05/oracle-23-9-supports-group-by-all/
