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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

Dolt is the first and only version controlled SQL database. Dolt supports branches, merges, and clones. Astute Dolt users have long noticed that Dolt branches and clones do not play well with AUTO_INCREMENT pr…

For a long time, Dolt resisted Docker. Here at DoltHub, we take a lot of pride in the fact that Dolt is a single program with no external dependencies. To use Dolt, you simply download the current build for yo…

Dolt is a drop in replacement for MySQL, but beware because transactions behave differently

On my last Golang post, I suggested that the main source of confusion in Golang is the fact that the language presents itself as a C-like object oriented language, and dresses itself in C-like syntax, while di…

The new dolt_undrop() stored procedure allows you to easily restore dropped databases