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Dolt is the world's first version controlled SQL database. Dolt is built on a novel storage engine that makes diffs and merges fast. When committing a SQL transaction, Dolt uses the same merge logic you inv…

Two months ago I talked about how we got 4 9s of correctness in sqllogictests. I mentioned how the most time consuming task was optimizing a test query that joined 64 tables, a query that even MySQL choked on.…

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,…

Last month, I announced that we were finally starting development on DoltgreSQL. In a little over a month, we've made quite a lot of progress and released a new pre-release version. We've also expanded the d…

Two weeks ago we published A Spooky Performance Regression in AWS EBS Volumes that highlighted a performance regression in writes against AWS EBS volumes we saw while benchmarking Dolt and MySQL. Initially …

Dolt is the world's first version controlled SQL database. To implement Git-style version control functionality at Online Transaction Processing (OLTP) performance, Dolt has different hardware requirements tha…

Dolt is a drop-in replacement for MySQL. This post shows how you can use the MySQL support in .NET's Entity Framework Core to easily work with Dolt databases.

Heaps are commonly used to partially sort a set. Every insertion/deletion from the set is followed by a "fixup" to restore either min-heap or max-heap integrity. For example, a max-heap can be represented a…

Initial results getting the sqllogictest package running on DoltgreSQL

Dolt, DoltHub, and Hosted Dolt can be used for Spreadsheet Version Control. Many of our customers migrated to Dolt from a really complicated, heavily edited spreadsheet. Earlier this year, I wrote a blog about…

For every Dolt release, we run a suite of Sysbench tests that measure the median latency of Dolt's reads and writes. Since Dolt is a drop-in replacement for MySQL, and soon to be a drop-in replacement for P…

There are lots of decentralized database technologies. Let's break them down and recombine them.

The new dolt_reflog() table function allows you to inspect the history of named refs, such as branches and tags, and easily restore them to previous values

Dolt is the first version controlled SQL database. We have made many correctness and performance improvements over the last couple of years. But one of the things we have never been good at are queries tha…

Leverage Hibernate with Dolt for fun and science

Techniques and libraries for getting stack traces for your errors in Go

We recently released single sign-on (SSO) for two of our web products, Hosted Dolt and DoltLab Enterprise. Administrators can configure an Identity Provider (IdP), where their users can authenticate and aut…

Keeping your version controlled data safe just got easier

Announcing support for virtual columns in Dolt