duckdb

all

Client for DuckDB, an in-process analytical SQL engine.

Examples (8)

Start an interactive shell with a transient in-memory database

duckdb

Start an interactive shell on a database file. If the file does not exist, a new database is created

duckdb path/to/dbfile

Query a CSV, JSON, or Parquet file using SQL

duckdb -c "SELECT * FROM 'data_source.[csv|csv.gz|json|json.gz|parquet]'"

Directly query a CSV, JSON, or Parquet file using the `file` view

duckdb data_source.[csv|csv.gz|json|json.gz|parquet] -c " SELECT * FROM file "

Run an SQL script

duckdb -f path/to/script.sql

Run query on database file and keep the interactive shell open

duckdb path/to/dbfile -cmd "SELECT DISTINCT * FROM tbl"

Read CSV from `stdin` and write CSV to `stdout`

cat path/to/source.csv | duckdb -c "COPY (FROM read_csv('/dev/stdin')) TO '/dev/stdout' WITH (FORMAT CSV, HEADER)"

Start the DuckDB UI, a web interface with notebooks

duckdb -ui