DuckDB Changed How I Process CSV Files — 7 Queries That Replace pandas
python
dev.to
DuckDB just changed how I process CSV files. No more pandas for simple analysis. No more importing into PostgreSQL. You just query the file directly. The Basics -- Query a CSV file. No import, no schema definition. SELECT * FROM read_csv_auto('sales.csv') LIMIT 5; DuckDB auto-detects column types, handles headers, and deals with messy data. It takes 0.3 seconds for a 1M row file. pandas takes 4 seconds for the same file. Install pip install duckdb Or us