Topics /
The most popular blog posts about databases & data on Hacker News. 299 posts.
We are excited to introduce Positron , a free, next-generation Integrated Development Environment (IDE) for data science by Posit PBC. Positron brings the spectrum of exploration and production work together in one environment so you can move from ideation to insight to application without switching context…
the psql client version 18 comes with pipelining, which can speed up client-server communication. In this post, let's see how it works and how much can be g...
Learn how to use pgRouting as a lightweight graph database solution in Postgres.
Missing the Forest for the Sequence Trees.
Rene Schallner (@renerocksai): software engineer turned AI researcher and engineer, in Vienna.
Whither Major Depression?
6.2k words, 29 minutes reading time
In this blog post, we’ll dive deep into why we chose to build DBOS durable workflow execution on the PostgreSQL DBMS.
Databricks offers a unified platform for data, analytics and AI. Build better AI with a data-centric approach. Simplify ETL, data warehousing, governance and AI on the Data + AI Platform.
An interesting twist in my recent usage of SQLite was the fact that I noticed my research scripts and the database intertwine more. SQLite is unique in that it really lives in-process, unlike standalone database servers. There is a feature to that which does not get used very frequently, but can be indispensable in…
Personal website for some random tidbits I work on
The new, publicly accessible database contains more than a million infectious disease incidence counts dating back to 1903.
How targeted improvements helped us speed up bulk data loads and complex schemas.
Learn what a semantic layer is, why it matters, and how to build a simple one with DuckDB and Ibis using just YAML and Python | Reading time: 22 min read
For quite some time now, i have been working on and off on a fully self-hosted search engine , in hope to make it easier to search across Personal data in an end to end manner. Even as individuals, we are hoarding and generating more and more data with no end in sight. Such "personal" data is being stored from local…
In a previous [0] post I’ve discussed why I ditched sea-query and why sql is almostalways the best way to not re-learn something new from the beginning...
Stop deploying broken SQL queries. RegreSQL provides regression testing for PostgreSQL queries with performance baselines and automated warnings.
There comes a time in every software engineer’s life when they come up with a new binary-to-decimal floating-point conversion method. I guess my time has come. I just wrote one, mostly over a weekend: https://github.com/vitaut/zmij .
PlanetScale now supports Postgres
The data on the page is presented in a hierarchichal structure. The movie page contains a director, a list of genres, a list of actors, and each actor in the list contains a list of characters they played in the movie. You can't sensibly fit all of this into a single flat structure like a relation.
What does a relational database designed specifically for local SSDs look like? Postgres, MySQL, SQLite and many others were invented in the 90s and 00s, the era of spinning disks. A local NVMe SSD has ~1000x improvement in both throughput and latency. Design decisions like write-ahead logs, large page sizes, and…
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
(or actually they do, but they don’t use this knowledge effectively)Update, April 26, 2025: the address fix for W 6th Ave is live, mostly. Going forward I wish that Google Maps would make it harder…
Is SQLite durable by default? What settings guarantee durability? The documentation and even comments from its creator give conflicting answers.
Posted on: Mon 14 July 2025 by Qi Zhu (Cloudera), Jigao Luo (Systems Group at TU Darmstadt), and Andrew Lamb (InfluxData)
PartyKit now includes a vector database and access to an embedding model. Here’s a guide on how to use them to build a search engine.
Launched in June 2024, JupyterGIS was introduced as a collaborative, web-based GIS environment built on the JupyterLab framework. Its objective is to
The [PostgreSQL Global Development Group](https://www.postgresql.org) today announced the release of [PostgreSQL 18](https://www.postgresql.org/docs/18/release-18.html), the latest version of the world's most advanced …
