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I'm all-in on server-side SQLite
Ben Johnson has joined Fly.io
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Health insurers just published close to a trillion hospital prices
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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Free Postgres databases for small projects
Announcing free Postgres storage on Fly.io.
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Goodbye, data science
This is more of a personal post than something intended to be profound. If you are looking for a point, you will not find one here. Frankly I am not even sure who the target audience is for this (p…
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Learn Postgres at the Playground – Postgres compiled to WASM running in browser
Run Postgres in your local web browser with guided tutorials to help you grow your Postgres skills.
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One-liner for running queries against CSV files with SQLite
I figured out how to run a SQL query directly against a CSV file using the sqlite3 command-line utility:
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Things to know about databases
How Relational Databases Work. This post talks about how indexes and transactions work on the inside of relational databases.
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Just use Postgres for everything
Replace Redis, MongoDB, Kafka & more with PostgreSQL. Reduce complexity, boost development speed. Complete guide with real examples.
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SQLite Internals: Pages and B-trees
Let's open a hex editor and see what this thing is made of
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PostgreSQL 15
**October 13, 2022** - The PostgreSQL Global Development Group today announced the release of [PostgreSQL 15](https://www.postgresql.org/docs/15/release-15.html), the latest version of …
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Soft deletion probably isn't worth it
The traditional soft deletion pattern using <code>deleted_at</code> columns leaks into code, curbs the usefulness of foreign keys, and makes data removal difficult. Luckily, there’s an alternative.
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LiteFS
We are building a distributed file system for your SQLite databases. Kinda weird, huh?
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In MySQL, use “utf8mb4” instead of “utf8” (2016)
Today’s bug: I tried to store a UTF-8 string in a MariaDB “utf8”-encoded database, and Rails raised a bizarre error:
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A database for 2022
we moved from etcd to SQLite for a simpler, more scalable database solution. Learn about Litestream, live replication, and lessons learned.
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I analyzed hospital price lists so you didn't have to
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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D1: Our SQL database
Today, we’re excited to announce D1, Cloudflare’s first SQL database, designed for Cloudflare Workers
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I found a bug in SQLite
rqlite is a lightweight, open-source, distributed relational database written in Go, which uses SQLite as its storage engine. Recently I introduced a high-performance write-path into rqlite and, to my great surprise, it exposed a bug in SQLite. The SQLite team quickly addressed the issue but let's take a look at the…
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SQLite in the browser with WASM/JS
WebAssembly , a.k.a. WASM, is a standard defining a low-level programming language suitable (A) as a target for cross-compilation from many other languages and (B) for running via a virtual machine in a browser. Designed with scriptability via JavaScript in mind, it provides a way to compile C code (among others) to…
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I put my whole life into a single database
Back in 2019, I started collecting all kinds of metrics about my life. Every single day for the last 2.5 years I tracked over 100 different data types - ranging from fitness & nutrition to social life, computer usage and weather.
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Zq: An easier and faster alternative to jq
Take an in-depth look at the different computational models of zq and jq.
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Make the “semantic web” web 3.0 again – with the help of SQLite
Before the term was hijacked by crypto-grifters (and, admittedly, a few genuinely neat projects), web 3 (point oh) referred to Tim Berners-Lee's project to promote a standard way to expose and parse metadata on the web. It never took off. In this piece, I'll argue that a breakthrough idea introduced last year by HN…
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Redis explained
A deep technical dive into all things Redis. Covering various Redis topologies, data persistence and process forking.
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Postgres 15 improves UNIQUE and NULL
Postgres 15 beta 2 was released recently! I enjoy Beta season... reviewing and testing new features is a fun diversion from daily tasks. This post takes a look at an improvement to UNIQUE constraints on columns with NULL values . While the nuances of unique constraints are not as flashy as making sorts faster (that's…
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The 12-bit rainbow palette
A palette of twelve colours chosen with consideration for how we perceive luminance, chroma, and hue
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New JSON query operators in SQLite 3.38.0
SQLite 3.38.0 introduced improvements to JSON query syntax using -> and ->> operators that are similar to PostgreSQL JSON functions. In this post we...
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The case for JPEG XL
The recent decision by Chrome developers to no longer support JPEG XL has sent a ripple through the developer community and is a bit premature given the relative newness of the image format.
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How the SQLite virtual machine works
Let's look at how SQLite parses, optimizes, and compiles every query that it receives.
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EdgeDB 2.0
Today we're excited to announce the release of EdgeDB 2.0, the latest version of our graph-relational database.