https://duckdb-play.openlearnia.com/ 2026-07-22T18:57:57.935Z weekly 1.0 https://duckdb-play.openlearnia.com/book 2026-07-22T18:57:57.935Z weekly 0.9 https://duckdb-play.openlearnia.com/book/01-intro 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/02-installation 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/07-playground-tutorial 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/03-sql-basics 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/04-files-and-parquet 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/05-performance 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/08-extensions 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/09-wasm-troubleshooting 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/11-case-studies 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/12-data-quality 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/10-cheatsheet 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/book/06-ecosystem 2026-07-22T18:57:57.935Z monthly 0.8 https://duckdb-play.openlearnia.com/playground 2026-07-22T18:57:57.935Z weekly 0.9 https://duckdb-play.openlearnia.com/web-shell 2026-07-22T18:57:57.935Z monthly 0.7