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Duckdb
ASecurityDuckDB in-process analytical SQL database reference. Query CSV, Parquet, JSON files directly without import. Covers window functions, QUALIFY, ASOF joins, pivoting, Pandas/Polars zero-copy integration, Apache Arrow, S3 access, and extensions.
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- Added September 7, 2026
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[](https://www.skillsdirectory.com/skills/bytesagain-duckdb)---
name: duckdb
version: 1.0.0
description: >
DuckDB in-process analytical SQL database reference. Query CSV,
Parquet, JSON files directly without import. Covers window
functions, QUALIFY, ASOF joins, pivoting, Pandas/Polars zero-copy
integration, Apache Arrow, S3 access, and extensions.
author: BytesAgain
homepage: https://bytesagain.com
source: https://github.com/bytesagain/ai-skills
tags: [duckdb, analytics, sql, olap, parquet, pandas, data]
---
# DuckDB Reference
In-process SQL database for analytics.
## Commands
| Command | Description |
|---------|-------------|
| `intro` | Overview, comparison |
| `queries` | SQL, file queries, window functions |
| `python` | Pandas, Polars, Arrow, extensions |
Files in this skill
- SKILL.md
- scripts/script.sh
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