Local Files
DuckDB
Open a *.duckdb file directly. An optional working path can be attached so relative paths in queries resolve consistently.
DuckDB (Quack)
Connect to a Quack instance via URI + token — in-memory or remote Quack.
Data folder
Pick a directory to browse parquet, csv, json, and other files without any database. Duckling reads the folder as a data source for quick exploration.
SQLite
Open a .db / .sqlite / .sqlite3 (or .sqlite) database file.

