Bbtree: Fastest Ordered Map(bbtree.xiangpeng.systems)
130 points by aoli-al | 16 comments
Blog post introducing bbtree, a Rust B-tree ordered map claiming 5× speed over std BTreeMap, with benchmarks and integrations into LSM-trees and Turso.
#databases on Hacker News
36 stories tagged databases, newest first.
A new write and space optimized storage engine for MySQL is here(tidesdb.com)
55 points by alexpadula | 22 comments
TidesDB blog post announcing its write- and space-optimized storage engine is now available as a plugin for MySQL v9 and v26.
We ported the original Doom to SQL(cedardb.com)
293 points by Vaslo | 45 comments
CedarDB blog post describing a port of the original 1993 Doom game logic and renderer to SQL, running inside the database with Python only handling timing and display.
Show HN: LightCloud – A cloud console organised like file system(light-cloud.com)
7 points by yullius | 2 comments
Landing page for Light Cloud, a hosting platform whose console organizes apps, APIs, databases, and env variables into folders like a file system.
Some Supabase customers are publicly exposing reams of people's data to the web(techcrunch.com)
4 points by rvz | 0 comments
TechCrunch article reporting that some Supabase customers have misconfigured databases publicly exposing large amounts of personal data.
Training a 4B model to produce 81% faster query plans than Postgres(rohanbansal.com)
647 points by polyphilz | 130 comments
Blog post by Rohan Bansal on training a 4B Qwen model with agentic reinforcement learning to generate query plans faster than Postgres's optimizer.
PostgreSQL for Everything(raphaelbauer.com)
412 points by karlmush | 238 comments
A blog post by Raphael Bauer arguing for using PostgreSQL as the single backend for many workloads instead of specialized tools.
Quack: The DuckDB Client-Server Protocol(duckdb.org)
347 points by aduffy | 74 comments
DuckDB blog post announcing Quack, a remote protocol letting DuckDB instances communicate in a client-server setup with multiple concurrent writers over HTTP.
AI didn't delete your database, you did(idiallo.com)
441 points by Brajeshwar | 229 comments
Blog post by Ibrahim Diallo arguing that developers, not AI tools, are responsible when an AI agent deletes a production database.
An AI agent deleted our production database. The agent's confession is below(twitter.com)
747 points by jeremyccrane | 880 comments
An X (Twitter) article by @lifeof_jer describing how an AI coding agent destroyed their production database and then confessed to it.
LLMs work best when the user defines their acceptance criteria first(blog.katanaquant.com)
411 points by dnw | 368 comments
Substack essay from Vagabond Research arguing that LLMs produce plausible rather than correct code, using a simple database primary key lookup test as an example.
C Is Best (2025)(sqlite.org)
341 points by alexpadula | 407 comments
SQLite documentation page explaining why SQLite is implemented in C and why there are no plans to rewrite it in another language.
Databases in 2025: A Year in Review(cs.cmu.edu)
640 points by viveknathani_ | 173 comments
Andy Pavlo's annual blog post reviewing the major trends and happenings in the database industry during 2025.
Go ahead, self-host Postgres(pierce.dev)
635 points by pavel_lishin | 373 comments
A blog post on pierce.dev arguing that self-hosting PostgreSQL is a reasonable alternative to managed database services.
/dev/null is an ACID compliant database(jyu.dev)
564 points by swills | 175 comments
A humorous blog post arguing that /dev/null satisfies atomicity, consistency, isolation, and durability, making it an ACID-compliant database.
Obsidian Bases(help.obsidian.md)
631 points by twapi | 207 comments
Obsidian help documentation introducing Bases, a core plugin that turns sets of notes into database-style views with properties, filters, and formulas.
Working on databases from prison(turso.tech)
785 points by dvektor | 491 comments
Turso blog post by Preston Thorpe describing how he came to work on database software while incarcerated, part 2 of his story.
Getting AI to write good SQL(cloud.google.com)
459 points by richards | 311 comments
Google Cloud blog post explaining techniques Google uses to improve Gemini's generation of SQL from natural language (text-to-SQL).
IO Devices and Latency(planetscale.com)
390 points by milar | 139 comments
PlanetScale engineering blog post by Benjamin Dicken explaining IO devices and latency, comparing local NVMe with network-attached storage like AWS EBS.
I Went to SQL Injection Court(sockpuppet.org)
1162 points by mrkurt | 416 comments
Blog post by Thomas Ptacek about testifying in an Illinois court case over whether public bodies can withhold database schemas from FOIA requests, and pending legislation.
Databases in 2024: A Year in Review(cs.cmu.edu)
545 points by avinassh | 175 comments
Andy Pavlo's annual blog retrospective on the database industry in 2024, covering acquisitions, license changes, and other notable events.
PostgreSQL 17(postgresql.org)
493 points by jkatz05 | 102 comments
Official PostgreSQL news announcement of the PostgreSQL 17 release on September 26, 2024.
CockroachDB license change(cockroachlabs.com)
330 points by Cwizard | 367 comments
Cockroach Labs blog post announcing changes to CockroachDB's self-hosted offering and license model, with CockroachDB Enterprise changes arriving in November.
How Postgres stores data on disk – this one's a page turner(drew.silcock.dev)
488 points by drewsberry | 79 comments
A long blog post explaining how PostgreSQL physically stores table data on disk, exploring database folders, files, and page layout.
"We ran out of columns"(jimmyhmiller.github.io)
1417 points by poidos | 504 comments
Jimmy Miller's blog post recounting stories from his first job's legacy codebase, including a merchants table that ran out of columns and spawned merchants2.
A reawakening of systems programming meetups(notes.eatonphil.com)
362 points by paulgb | 142 comments
Blog post by Phil Eaton on the 2024 resurgence of high-quality systems programming meetups, with history and guidance for running your own events.
DuckDB Doesn't Need Data to Be a Database(nikolasgoebel.com)
353 points by tosh | 115 comments
A blog post by Nikolas Göbel discussing how DuckDB can act as a database without storing data itself, querying external data sources directly.
Simon Riggs has died(m6n.io)
793 points by ajdude | 211 comments
Mastodon post by Josh Berkus reporting that PostgreSQL maintainer Simon Riggs died in a small airplane crash, noting his contributions to replication.
Redis adopts dual source-available licensing(redis.com)
340 points by pauldix | 547 comments
Redis blog post by CEO Rowan Trollope announcing that future Redis releases will move from BSD to dual source-available licensing (RSALv2 and SSPLv1).
Databases and why their complexity is now unnecessary(blog.redplanetlabs.com)
318 points by adamfeldman | 303 comments
Red Planet Labs blog post by Nathan Marz arguing that traditional databases impose needless complexity and that newer approaches make it unnecessary.
Accidental database programming(sqlsync.dev)
523 points by thunderbong | 265 comments
Blog post by Carl Sverre arguing that frontend apps end up reimplementing database features like caches and indexes, and proposing a frontend-optimized database stack.
Cloud Backed SQLite(sqlite.org)
414 points by nalgeon | 125 comments
Documentation for Cloud Backed SQLite, a system for storing and accessing SQLite databases in cloud blob storage such as Azure and Google Cloud.
Is ORM still an anti-pattern?(github.com)
337 points by AnhTho_FR | 611 comments
A GitHub wiki page from the Lago project arguing that ORMs are criticized for the wrong reasons and examining whether ORM is still an anti-pattern.
PostgreSQL reconsiders its process-based model(lwn.net)
761 points by todsacerdoti | 338 comments
LWN article by Jonathan Corbet on PostgreSQL developers discussing moving from a process-per-connection model to a threaded architecture.
Story: Redis and its creator antirez(blog.brachiosoft.com)
505 points by nixcraft | 95 comments
A blog post by Chang-Hung Liang telling the story of Redis and its creator Salvatore Sanfilippo (antirez).
The “Build Your Own Database” book is finished(build-your-own.org)
598 points by tim_sw | 86 comments
Blog post by James Smith announcing completion of the "Build Your Own Database" book, explaining why learning database internals from scratch matters.