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Datomic is Free
Nubank is making all editions of Datomic free of licensing fees, released under Apache 2.0 and available directly from Maven Central, no signup required.
Topics /
Databases & Data
The most popular blog posts about databases & data on Hacker News. 212 posts.
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My favourite API is a zipfile on the European Central Bank's website
Simple data pipeline powertools: sqlite, pandas, gnuplot and friends
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Big data is dead
Big data is dead. Long live easy data. | Reading time: 18 min read
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The technology behind GitHub’s new code search
A look at what went into building the world's largest public code search index.
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Goodbye integers, hello UUIDv7
The journey Buildkite took from sequential integer primary keys, through randomly generated UUIDs, to adopting time-ordered UUIDv7 — and the database index tradeoffs along the way.
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JSONB has landed
JSONB is a rewrite of the SQLite JSON functions that, depending on usage patterns, could be several times faster than the original JSON functions. This enhancement has now landed on trunk .
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SQL Maxis: Why We Ditched RabbitMQ and Replaced It with a Postgres Queue
Embracing our SQL Maxi nature: how we ripped out RabbitMQ from our infrastructure and replaced it with a Postgres queue.
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PostgreSQL 16
September 14, 2023 - The PostgreSQL Global Development Group today announced the release of PostgreSQL 16, the latest version of …
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Accidental database programming
Join me as we take a look at common application data patterns, and how they relate to the inner-workings of databases. In this post, we discuss data caching, indexing, optimistic mutations, and recursive cache invalidation. We will see how life might be easier if we could just use a frontend optimized database like…
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Creating a search engine with PostgreSQL
PostgreSQL provides the necessary building blocks for you to combine and create your own search engine for full-text search. Let's see how far we can take it.
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From deep to long learning?
For the last two years , a line of work in our lab has been to increase sequence length. We thought longer sequences would enable a new era of machine learning foundation models: they could learn from longer contexts, multiple media sources, complex demonstrations, and more. All data ready and waiting to be learned…
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SciPy builds for Python 3.12 on Windows are a minor miracle
Moving SciPy to Meson meant finding a different Fortran compiler on Windows, which was particularly tricky to pull off for conda-forge. This blog tells the story about how things looked pretty grim for the Python 3.12 release, and how things ended up working out just in the nick of time.
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How to build a IP geolocation database from scratch?
Download a free IPv4 and IPv6 geolocation database (CSV, CC BY-SA 4.0), or the commercial one with full coverage in CSV and MMDB, updated at least twice a week.
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Meilisearch 1.0 – Open-source search engine built in Rust
Meilisearch launches the first completely stable, forward-compatible, and enterprise-ready version of its highly performant open-source search engine.
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New health insurance “transparency data” looks suspiciously wrong
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
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What if OpenDocument used SQLite? (2014)
Suppose the OpenDocument file format, and specifically the "ODP" OpenDocument Presentation format, were built around SQLite. Benefits would include:
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Case study: Algorithmic trading with Go
In this case study, we are excited to share an insider's perspective and look under the hood of how a Massive.com customer built an automated retail trading bot that is capable of monitoring the entire stock market in real-time.
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PostgreSQL: No More Vacuum, No More Bloat
PostgreSQL, a powerful open-source object-relational database system, has been lauded for its robustness, functionality, and flexibility. However, it is not without its challenges – one of which is the notorious VACUUM process. However, the dawn of a new era is upon us with OrioleDB, a novel engine designed for…
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What is a Vector Database? (2021)
Discover Vector Databases: How They Work, Examples, Use Cases, Pros & Cons, Selection and Implementation. They have combined capabilities of traditional databases and standalone vector indexes while specializing for vector embeddings.
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Kafka is dead, long live Kafka
Chances are you probably had a strong reaction to the title of this post. In our experience, Kafka is one of the most polarizing technologies in the data space. Some people hate it, some people swear by it, but almost every technology company uses it.
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JPEG XL: How it started, how it’s going
Significance of Apple's support for JPEG XL and what this means for the widespread adoption of this next-generation image compression format.
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Zero downtime Postgres upgrades
How we upgraded from Postgres 11.9 to 15.3 with zero downtime
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Databases in 2022: A Year in Review
Andy Pavlo - Carnegie Mellon University,
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Jepsen: MySQL 8.0.34
MySQL needs little introduction. Over the last 28 years it has become one of the most widely deployed SQL databases. MySQL is primarily used for online transaction processing (OLTP) workloads, but is also deployed as a part of OLAP and queuing systems.
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Introduction to Datalog
A rule-based data query language that thinks differently
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Why you should probably be using SQLite
Where you store your application data has enormous impacts on your entire application. There are implications on the entire stack based on what you decide to...