<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Duckdb on Fred</title><link>https://site.fredlab.dev/tags/duckdb/</link><description>Recent content in Duckdb on Fred</description><generator>Hugo</generator><language>en</language><copyright>Copyright (c) 2020-2024 Thulite</copyright><lastBuildDate>Fri, 24 Jul 2026 08:00:00 +0200</lastBuildDate><atom:link href="https://site.fredlab.dev/tags/duckdb/index.xml" rel="self" type="application/rss+xml"/><item><title>Excel, but Agent-Ready: How Fred Turns Spreadsheets into Queryable Knowledge</title><link>https://site.fredlab.dev/blog/excel-but-agent-ready-how-fred-turns-spreadsheets-into-queryable-knowledge/</link><pubDate>Fri, 24 Jul 2026 08:00:00 +0200</pubDate><guid>https://site.fredlab.dev/blog/excel-but-agent-ready-how-fred-turns-spreadsheets-into-queryable-knowledge/</guid><description>Excel is not a document — it&amp;rsquo;s a data source wearing a document&amp;rsquo;s clothes. Here is how Fred rebuilds the structure of a workbook deterministically, hands the agent a global map plus queryable tables, and adds a server-side value locator that collapses a dozen blind queries into a single targeted one.</description></item><item><title>Tabular Data in Fred: ReBAC-Scoped Parquet, S3, and DuckDB</title><link>https://site.fredlab.dev/blog/tabular-data-in-fred-rebac-scoped-parquet-s3-and-duckdb/</link><pubDate>Thu, 16 Apr 2026 12:00:00 +0200</pubDate><guid>https://site.fredlab.dev/blog/tabular-data-in-fred-rebac-scoped-parquet-s3-and-duckdb/</guid><description>Fred now treats tabular data like the rest of the corpus: document-scoped, team-aware, and authorization-first. This post explains why the old SQL-store model was limiting, how the new Parquet plus DuckDB runtime works, and what this changes for security, performance, and operations.</description></item><item><title>From CSV to Agent: Tabular Data Gets Smart in Fred</title><link>https://site.fredlab.dev/blog/from-csv-to-agent-tabular-data-gets-smart-in-fred/</link><pubDate>Fri, 11 Jul 2025 14:00:00 +0200</pubDate><guid>https://site.fredlab.dev/blog/from-csv-to-agent-tabular-data-gets-smart-in-fred/</guid><description>Fred now supports agentic access to tabular data like CSV and Excel through a new DuckDB-based backend and the Tessa agent. Explore how this works and what it unlocks.</description></item></channel></rss>