Amazon Acquires DuckLabs and Integrates DuckDB in Amazon Aurora PostgreSQL
Amazon has acquired DuckLabs, the company behind the analytical database DuckDB. Co-founders Hannes Mühleisen and Mark Raasveldt will continue to le…
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Analyzing 40 Years of Japanese Public Open Data in 3 Minutes with DuckDB (No API Keys, In-Memory Parquet)
The Hidden Goldmine (and Nightmare) of Japan's Open Data Japan’s government ministries publish massive amounts of open public data: Multi-billion-do…
5 SQL window-function traps that show up in data engineering interviews (with runnable DuckDB examples)
Window functions are the most common SQL topic in data engineering interviews, and most candidates know the syntax. The follow-up questions are wher…
The full pg_duckdb extension on Azure Database for PostgreSQL
In my previous post, Amazon Aurora's analytics being DuckDB — a side-by-side comparison with pg_duckdb , I examined Aurora Analytics in detail along…
I built a native DuckDB IDE in Rust, and the client is DuckDB too
Most SQL GUIs treat DuckDB as one more driver on a list. You get the SQL every database shares, and DuckDB's best parts — FROM-first queries, DESCRI…
From Detection to Production: A PII-Safe Pipeline in Python and DuckDB
Part 1 gave you a map: every PII-bearing column, tier-tagged. Part 2 armed you: HMAC for direct identifiers, tokens for what must be reversible, mas…
Beyond Embedded: How DuckDB v2.0 Shifts Architecture Toward Distributed Network Capabilities
DuckDB Labs has previewed DuckDB v2.0, codenamed "Cyanoptera." This release includes over 10000 commits and introduces a client/server mode, enablin…
Всё что нужно знать про DuckLake
Когда вышел DuckDB 1.0, я написал статью Всё что нужно знать про DuckDB . Теперь вышел DuckLake v1.0 — LakeHouse-формат из той же экосистемы. Это от…
Building an MCP Server on 31 Million Rows of Financial Data
This is the architecture of Shibui Finance , an MCP server that gives Claude direct SQL access to 64 years of US stock market data. About 10,000 sym…
OLAP and OLTP lines are blurring
The Data Engineering Holy Grail: Running intensive analytical queries without starving your operational transactional database connections on the sa…
Less Database, More Files
A few things I noticed. None of them alarming on their own. Our database doubles in size every year. Not "grows a lot" — doubles . Of its 180 GB, fi…
Extract data from Databases into DuckLake
Introduction In the evolving landscape of data engineering, DuckLake is emerging as a powerful solution for building data lakes with ACID transactio…
DuckDB Quack: Client/Server Protocol over HTTP for Multi-User Analytics
DuckDB has recently announced Quack, a new remote protocol over HTTP that lets multiple DuckDB instances connect to and work with the same database…
Quack-Mate: a chess engine in SQL
We have all seen SQL pushed past its comfort zone to build things like 3D renderers or cellular automata. Naturally, I wondered about a classic comp…
How I Built a Free Backlink Intelligence Tool on Common Crawl + DuckDB
The problem Backlink data is a $1.5B/year SaaS category. Ahrefs is $129/month, SEMrush is $140/month, Moz is $99/month. As an indie I needed competi…
From DeepSeek to Quack: When the Dream of Distributed DuckDB Started to Feel Real
At the beginning of 2025, DeepSeek changed the conversation around AI infrastructure. Most people focused on the model quality, the training cost, a…
Anatomy of Duck DB for Python Developers
Introduction - SQL without a Server Pandas is widely used for data analysis and almost every data analyst or even data engineers utilize it for fast…
Valentina Studio v17.3 supports new VARIANT field type of DuckDB v1.5
News for DuckDB users! Valentina Studio 17.3 now fully supports the new DuckDB VARIANT type on all three desktop platforms — Windows, macOS and Linu…
PostgreSQL 17 with DuckDB 1.2: how we cut cloud spend 40% #6949
We were burning $42,000 a month on managed PostgreSQL 17 instances to power our analytics dashboards, with p99 query latency hitting 11 seconds for…
Maybe SQLite Is Still Better Than DuckDB for My Workloads
The Conventional Wisdom Open any data-engineering thread in 2026 and you'll see the same chorus: "DuckDB is the SQLite of analytics, just use it." M…
DuckLake 1.0: Data Lake Format with SQL Catalog Metadata
DuckDB Labs recently released DuckLake 1.0, a data lake format that stores table metadata in a SQL database rather than across many files in object…