https://sudonull.com/parquet-in-python-reading-writing-and-optimization
Practical guide for data engineers: how to read Parquet with filtering, write with explicit schema, use dictionary encoding and partitioning. Works in production.
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https://sudonull.com/webassembly-sql-for-excel-and-parquet-in-the-browser
Learn how to run a C++ SQL engine in the browser for parsing XLSX, CSV, Parquet without a server. Code examples, architecture, performance. Integration for developers.
https://sudonull.com/duckdb-as-storage-replacing-etl-postgres
Learn how DuckDB replaces ETL + Postgres with one file for OLAP. Code examples, SLA, migration. Simplify analytics without infrastructure — read the guide for developers.
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