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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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…
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…
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…
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…
PostgreSQL и аналитика: что меняется, когда хранилище становится общим
HTAP — одна из главных тем в мире СУБД. Вокруг PostgreSQL массово появляются конструкции с внешними аналитическими движками со с…
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…
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…