- 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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- REFERENCEUSE CASE7 min read
Dolt for Data Engineers
Dolt is MySQL-compatible. When data engineers hear "MySQL", they think "this is not for me". Data engineers work with "Big Data" in databases like Databricks or Snowflake . MySQL is not for big data. In database parlance, Snowflake and Da...
Read More - DOLTGRESSQL3 min read
Enhancing Index Support
We're continuing to make progress on DoltgreSQL , which is a version of Dolt built to be a drop-in replacement for PostgreSQL. For those that may not know about Dolt , it's built as a drop-in replacement for MySQL that is built, from the gro...
Read More - TECHNICAL9 min read
Why I Threw Away Perfectly Good Code
This blog post is inspired by the video essay This Problem Changes Your Perspective On Game Dev by Jonas Tyroller. As the title of the video suggests, Jonas is drawing from his own experience as a game developer, and so he approaches the v...
Read More - GOLANG4 min read
The 4-chan Go programmer
Introduction We're using Go to write Dolt , the world's first version-controlled SQL database. Like most Go codebases, we use channels and goroutines to implement concurrent execution. Usually we use these constructs in the most borin...
Read More - 21 min read
Migrating from AWS QLDB to Dolt: a sorta example
Recently AWS announced that it was deprecating the Quantum Ledger Database (QLDB) service by July 2025, and provided a guide for existing QLDB customers to migrate their QLDB data to PostgreSQL . Tim, DoltHub's CEO, addressed this deprec...
Read More - FEATURE RELEASEHOSTED5 min read
Announcing Hosted Dolt Private Deployments
Almost a month ago, we announced that Private Deployments were on their way . With the final development and testing completed, we're excited to announce that Private Deployments are now available for all Hosted Dolt users. In this short blog pos...
Read More - 3 min read
DoltHub On The Road
"I was surprised, as always, by how easy the act of leaving was, and how good it felt. The world was suddenly rich with possibility." -- Jack Kerouac. On the Road. Like Jack Kerouac, I write all my blogs ...
Read More - HOSTEDREFERENCE10 min read
So you Want Hosted MySQL?
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 ...
Read More - 5 min read
Git Workspace Review
Dolt has the DNA of Git within it, and one aspect of Git which I believe hasn't gotten enough attention is the workspace. The workspace is the place where you do your work. It's where you write code, make changes, and test things out. It's where yo...
Read More - FEATURE RELEASESQL3 min read
Announcing Fast Diffing and Merging of JSON Documents
There's no one-size-fits-all approach when it comes to modeling data. Sometimes you want to use a file system. Sometimes you need a relational database. Other times you need a semi-structured file format, like JSON or flatbuffers. (Aside: we love…
Read More - FEATURE RELEASECOMMAND LINE7 min read
Announcing the Dolt log graph
Last week, we discussed the implementation of commit graph on DoltHub . Today, we're excited to explore this topic further! We've recently launched two new commands in Dolt : dolt log --graph and dolt log --graph --oneline . The dolt ...
Read More - DOLTGRESTECHNICAL6 min read
Automatically translating MySQL statements into Postgres statements
Introduction We're hard at work building Doltgres , a Postgres-compatible database with git-inspired version control features. Doltgres is currently in alpha release, meaning lots of functionality doesn't work yet. We're committed to a be...
Read More - REFERENCE5 min read
QLDB Deprecated. Looking for an Alternative Immutable Database?
Recently, AWS announced they were no longer accepting new Quantum Ledger Database (QLDB) users and the service would be deprecated in July 2025. What are you supposed to do if you are a QLDB user? AWS recommends migr...
Read More - FEATURE RELEASEHOSTED8 min read
Announcing Hosted MySQL with Dolt Replica
We are excited to announce that Hosted Dolt now supports creating clusters with a MySQL primary and a Dolt replica. This feature allows you to create a MySQL server that is replicated to a Dolt database. In this blog I'll walk you through how...
Read More - INTEGRATION12 min read
Using python-mysql-replication with Dolt
Dolt is the world's first version controlled SQL database – you can branch/diff/fork/merge/rebase your data, in all the same ways that Git lets you work with source code files. Thanks to Dolt's custom storage engine , these operations to compu...
Read More - WEB7 min read
Drawing a commit graph
In a previous blog , we announced the release of the DoltHub commit graph and briefly discussed its implementation. Since then, we have written and adopted our own commit graph npm package. This blog will walk you through the key aspects and…
Read More - DOLTGRES4 min read
When will Doltgres go Beta?
Doltgres , the Postgres-flavored version of Dolt, the world's first and only version controlled SQL database , was released in Alpha in November 2023 . A Postgres-flavored version was our top customer ask . Demand doesn't seem to have waned ...
Read More - SQL3 min read
Correctness Update
Welcome to another edition of Dolt's monthly correctness updates! If you missed it, here's last month's update . This month, we resolved customer issues with ORMs, tackled older date and time bugs, and dealt with a long standing auto increment is...
Read More - REFERENCE6 min read
Standard Dolt Deployments
Here at DoltHub, we ship a number of products . Dolt is an Online Transaction Processing (OLTP) database with Git-style version control, like Git and MySQL had a baby. DoltHub is Dolt's GitHub, an online collaboration platform for Dolt data...
Read More - DOLTLAB18 min read
DoltLab: a history of features
Earlier this week we released DoltLab v2.3.0 . This release signifies the end of our months-long endeavor to make the first-time DoltLab user experience as simple and straightforward as possible. In this release, we've removed TLS configuration i...
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