#arrow (2)

Cheat sheets (2)

polars — Fast DataFrames on Rust + Arrow

Package-level reference for polars — install, versioning, extras, and gotchas. The Rust-powered Arrow-native alternative to pandas.

pip package polars dataframes arrow

DuckDB — Embedded Analytics Database

Run fast analytical SQL queries in-process with DuckDB. Covers Python API, CSV/Parquet ingestion, pandas interop, Arrow, window functions, and persistent databases.

python duckdb sql analytics olap parquet pandas arrow

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