- REFERENCE11 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 versi...
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- FEATURE RELEASE6 min read
- REFERENCEUSE CASE8 min read
Dolt for Data Engineers
Dolt can be used by data engineers to implement a data staging area or version controlled Gold tables. These two additions to your data stack improve data quality and decrease time to recovery when bad data makes it into your warehouse.
Read More - DOLTGRESSQL4 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 ground up, wit...
Read More - TECHNICAL10 min read
Why I Threw Away Perfectly Good Code
Throwing out code doesn't mean that it wasn't worth writing.
Read More - GOLANG5 min read
The 4-chan Go programmer
A very silly concurrency exercise in using Go channels that send channels that send channels that send channels.
Read More - 19 min read
Migrating from AWS QLDB to Dolt: a sorta example
A comprehensive example of how one might migrate a QLDB ledger's history over to Dolt.
Read More - FEATURE RELEASEHOSTED6 min read
Announcing Hosted Dolt Private Deployments
Hosted Dolt now supports deployments which are only accessible from authorized VPCs
Read More - 4 min read
- HOSTEDREFERENCE11 min read
So you Want Hosted MySQL?
Hosted Dolt can deploy a MySQL primary with a Dolt replica, giving any MySQL database an immutable, queryable audit log of every transaction. This Dolt replica can be used for disaster recovery or compliance. That means Hosted Dolt is now also Hosted MySQL. What are your current options when it comes to Hosted MySQL? This blog will explain.
Read More - 6 min read
Git Workspace Review
Git has a workspace which is not well understood. Let's talk about it.
Read More - FEATURE RELEASESQL4 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 fla...
Read More - FEATURE RELEASECOMMAND LINE8 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 log --graph command...
Read More - DOLTGRESTECHNICAL6 min read
Automatically translating MySQL statements into Postgres statements
We want to re-use Dolt's tens of thousands of tests for Doltgres. The only problem: the tests are written in MySQL's dialect, and we need them to be in Postgres's dialect. This blog post demonstrates a technique for automatically converting them.
Read More - REFERENCE6 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. QLDB Deprecated Email What are you supposed to do if you are a QLDB user? AWS recommends migrating to P...
Read More - FEATURE RELEASEHOSTED7 min read
Announcing Hosted MySQL with Dolt Replica
Hosted Dolt now allows you to create clusters with a MySQL primary and a Dolt replica
Read More - INTEGRATION12 min read
Using python-mysql-replication with Dolt
The Python MySQL Replication library allows you to write Python programs that capture changes from a branch in a Dolt database
Read More - WEB8 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 implement...
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 as we just cr...
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 issue. ...
Read More - REFERENCE8 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 databases, comp...
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