- 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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- 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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Getting a Mascot for Dolt
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…
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Database Performance: Dolt vs MySQL
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...
Read More - DATASET2 min read
November Dataset Spotlight
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...
Read More - FEATURE RELEASE6 min read
Filter-Branch in Dolt
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...
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Continuous Deployment with Github Actions: An Example
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...
Read More - FEATURE RELEASESQL4 min read
Dolt Supports Prepared Statements
Dolt is a SQL database that supports Git-like functionality, including branch, merge, clone, push and pull. Dolt targets compatibility with MySQL as an existing SQL dialect and wire protocol. We built Dolt on top of an excellent open-source…
Read More - 5 min read
Version Controlled Databases: Defining a Category
"Database version control" and "version controlled database" are not the same thing. Version controlling your database refers to the practice of storing schema and schema modifications in a traditional source control system like Git. "Version…
Read More - GOLANG6 min read
Don't Panic
When Tim , Aaron , and I started working on this problem in August 2018 we immediately began playing with Noms . It was an open source project that gave us a lot of the things Aaron and I had been talking about in order to deliver the feat...
Read More - FEATURE RELEASEWEB4 min read
Uploading Files to DoltHub
Dolt is Git for data and DoltHub is our web application that houses Dolt repositories. A few weeks ago I wrote about merging pull requests on DoltHub and our roadmap for "edit on the web". We're working on reducing friction for collaboratin...
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A REST Service for Versioning DataFrames
We originally built Dolt because we thought that existing data distribution formats were broken. In particular, we believed that consumers of data should not have to parse various formats (CSV, JSON, etc.), write ingestion logic and decide on up...
Read More - DATASET10 min read
Debunking an election fraud claim using open data and Dolt
After four years of incredibly rancorous discourse about whether the US President was illegitimately elected with the help of foreign interference, it should surprise no one that the 2020 presidential election is mired in similar claims of…
Read More - FEATURE RELEASESQL3 min read
Supporting AUTO_INCREMENT
Dolt is a database built for collaboration and data distribution. It's "Git for Data," a SQL database you can branch, merge, diff, clone, fork, push and pull. We intend to become a fully MySQL compatible database. Today, we're announcing support ...
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