The speaker describes DuckDB as an analytics-focused, SQLite-like database that can query object storage and Postgres.

“Mother Duck, but a, but a data lake? Like, what, what is, what is Duck Lake? Uh, Duck Lake. Okay, so, um- [laughs]... DuckDB- Yeah... which was recently... There's DuckDB, which is basically like a SQLite for analytics.”

“Columnar storage. Yes, exactly. Exactly. It can read directly from object storage. That's typically how it's touted, and it can actually read from your Postgres database as well.”