Taylor Bantle

January 18, 2021

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...

Dustin Brown

January 15, 2021

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...

Remy Ochei

January 14, 2021

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...

Aaron Son

January 11, 2021

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 ...

Brian Hendriks

January 8, 2021

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...

Zach Musgrave

January 6, 2021

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…

Tim Sehn

January 4, 2021

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...

Zach Musgrave

December 28, 2020

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...

Tim Sehn

December 23, 2020

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...

Andy Arthur

December 21, 2020

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...

Brian Hendriks

December 17, 2020

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...

Tim Sehn

December 16, 2020

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 ...

Tim Sehn

December 14, 2020

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 ...

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, ...

Vinai Rachakonda

December 9, 2020

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…

Zach Musgrave

December 7, 2020

Dolt is Git for Data. It's a SQL database that you can branch, merge, clone, fork, push and pull, just like files in Git. Today we're going to be talking about our quest to get Dolt's branding right, and our first attempt to find a mascot that…

Oscar Batori

December 4, 2020

Dolt is a version controlled SQL database. Dolt's query interface is SQL, and it has Git-like version control features. Adding version control features to a SQL database has performance trade offs when comparing Dolt with traditional databases li...

Tim Sehn

December 2, 2020

Every month we highlight some interesting datasets on DoltHub. The focus is on new or updated datasets but sometimes we shed fresh light on a classic. For those new to Dolt and DoltHub , Dolt is Git for data. Git versions files. Dolt versio...

Andy Arthur

November 30, 2020

Dolt is a tool built for collaboration and data distribution, a SQL database you can branch, merge, diff, clone, fork, push and pull. Today, we're announcing support for filter-branch in Dolt. "Customer focus" is a mantra for our company. In A...

Dustin Brown

November 23, 2020

Github Actions FTW Not too long ago we endeavored to migrate Dolt's continuous integration pipeline from Jenkins to Github Actions . I wrote a blog about that process and complimented Github Actions on making the migration process int...