What does "remotely" mean in this context? My understanding is that all of this runs on the same machine - your Postgres server machine runs DuckDB on the same

What does "remotely" mean in this context? My understanding is that all of this runs on the same machine - your Postgres server machine runs DuckDB on the same machine via the extension. I assume you simply mean DuckDB, being a columnar engine, is more efficient in doing this work than PG is