- REFERENCE9 min read
So you want Database Versioning?
Here at DoltHub, we've had a lot of success with our "So you want..." series of blog posts helping people find Dolt when they are looking for it. Dolt is a lot of things. Dolt is a version controlled database, a Git database, Git for data, data…
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- DATASET1 min read
January Dataset Spotlight
It's that time. Our January dataset spotlight here at DoltHub . For the new folks, Dolt is a SQL database with git-like versioning and DoltHub is a place on the internet to share Dolt databases. This monthly feature keeps you updated on Data...
Read More - FEATURE RELEASEWEB2 min read
Announcing DoltHub Issues
DoltHub is a place on the internet to share and collaborate on Dolt databases. We built DoltHub because we thought it would be useful to interact with versioned SQL databases in familiar ways. For example, query public data on the web, or c...
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More Hiring
In October, we set out to hire more engineers to work on Dolt and DoltHub . Dolt is a SQL database with Git-like versioning and DoltHub is a place to share Dolt repositories. Since then, we added three engineers: Vinai , Remy , and Ma...
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Release notes generation for GitHub repos
Introduction Today we're excited to announce the open sourcing of a tool to automatically generate markdown formatted release notes for GitHub repositories . Dolt is using this tool to generate our release notes going forward, and we've ...
Read More - USE CASE5 min read
Dolt and Data Science - A Simple Example
Dolt is Git for data, a SQL database with version control. We've been working hard recently on making Dolt a useful tool for Data Science (DS) practitioners and we're hoping to launch some slick integrations soon. But first, we wanted to start...
Read More - WEB5 min read
Managing DoltHub Dependencies
Dolt is Git for data and DoltHub is our web application that houses Dolt repositories. DoltHub consists of three separate React applications: our main Next.js app, as well as two Gatsby apps for our blog and documentation. Our depe...
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Performance Benchmarks on Pull Request
Overview Not long ago we wrote about measuring Dolt's performance against MySQL with the goal of improving Dolt to be no more than 2-4 times slower than MySQL . To work toward this goal, we created a containerized tool that benchma...
Read More - BOUNTY2 min read
Hospital Price Transparency $10,000 Database Bounty
On January 1, 2021, a US law was passed requiring hospitals to publish their prices in human and machine readable format. We would like to assemble the best open dataset of hospital prices in the US to aid researchers. To this end, we’re launchi...
Read More - WEB7 min read
Supporting Larger File Imports on DoltHub
Introduction Back in November, we announced support for uploading CSV files on DoltHub directly to Dolt repository commits. Since then, we've been quickly iterating on features for upload on the web. We recently released changes to our ...
Read More - GOLANG10 min read
Optimizing varint Decoding
Introduction Dolt stores data in a content addressable prolly tree in order to get efficient merges and diffs. In designing the table data format one of our goals was to make table column additions and deletions fast operations. They sho...
Read More - DATASET21 min read
Pennsylvania ballot data revisited
Introduction In November, shortly after the election, we published an analysis of Pennsylvania ballot data provided by the Pennsylvania Department of State. The purpose of the analysis was to determine if there was any truth to claims of…
Read More - DATASET2 min read
December Dataset Spotlight
We have been running the DoltHub dataset spotlight since May 2020. This is our eighth issue. The intent was to add additional exposure to Dolt datasets published on DoltHub. Publishing this blog monthly has presented some challenges conten...
Read More - SQL15 min read
Planning joins to make use of indexes
Introduction Dolt is Git for Data. It's a SQL database that you can clone, fork, branch, and merge. Dolt's SQL engine is go-mysql-server , and today we're going to discuss how it implements join planning to make a query plan involving mul...
Read More - BOUNTY2 min read
US Presidential Election $25,000 Database Bounty Update
Last Monday, we released our first data bounty to earn a share of $25,000 by wrangling US Presidential Precinct-level data . This blog will update you on the progress and encourage you to participate. Finally, we'll get a little meta and let y...
Read More - FEATURE RELEASESQL5 min read
Keyless Tables in Dolt
Dolt is a tool built for collaboration and data distribution, it's Git for Data . Git versions files, Dolt versions tables. Today, we're announcing support for keyless tables in Dolt. Strongly typed schemas are the best and worst parts of re...
Read More - BOUNTY4 min read
Bounty Attribution
On Monday we launched Bounties , a product that pays users to gather and clean data. In less than a week, our first data bounty has already shown the power of Dolt as a collaborative data platform. In that time our bounty has received 22 Pu...
Read More - BOUNTY4 min read
Introducing Data Bounties
In 2018, we started the company that is now DoltHub to "create a place on the internet to get access to interesting, maintained data". The data ecosystem of today reminds us a lot of the open source ecosystem of the late 1990s early 2000s. It's ...
Read More - BOUNTY6 min read
Earn your share of $25,000 building US Presidential Election Database
Today, we're launching a way to make money building Dolt databases called Bounties . We'll have a follow on blog post Wednesday explaining the motivations for the Bounties feature. But today, we're going to jump right to the chase and explain ...
Read More - DATASET5 min read
Archiving Presidential Tweets Using Dolt
Background This is a guest blog post by a member of the DoltHub community, detailing how they went about accumulating presidential tweets in Dolt. We are grateful to our community members for showing us ways of using Dolt we didn’t think of, ...
Read More - FEATURE RELEASE5 min read
Introducing Dolt CLI in SQL
Dolt is Git for data, a SQL database with version control tooling. While Dolt is nearing full MySQL compatibility, its current command line interface (CLI) functionality hasn't been accessible in SQL. That means that you can't currently run…
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