- 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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- REFERENCE6 min read
Dolt Concurrent Transaction Example
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 invoke on a dolt merge between ...
Read More - TECHNICAL16 min read
Using Functional Dependency Analysis to improve Join performance
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. I'm going to dive deeper into how...
Read More - REFERENCE8 min read
So you want to Version Control Configuration?
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 f...
Read More - REFERENCEDOLTGRES6 min read
Contributing to DoltgreSQL
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 development team that is working on ...
Read More - 3 min read
Christmas Come Early: An AWS EBS Performance Regression Update
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 we suspected that a recent sel...
Read More - REFERENCE7 min read
Sizing Your Dolt Instance
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 than other OLTP databases. This arti...
Read More - INTEGRATION14 min read
Entity Framework Core with Dolt
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.
Read More - GOLANG6 min read
Why Are Golang Heaps So Complicated
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 as a binary tree where every parent is…
Read More - RELEASEWEBWORKBENCH3 min read
Introducing the Dolt Workbench
Announcing the launch of the Dolt Workbench - a modern, browser-based, open source SQL workbench with additional version control features when using Dolt.
Read More - TECHNICALDOLTGRES9 min read
Getting to one 7 of SQL correctness for DoltgreSQL
Initial results getting the sqllogictest package running on DoltgreSQL
Read More - REFERENCE7 min read
Dolt + Excel
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 how to use Dolt with G...
Read More - 5 min read
A Spooky Performance Regression in AWS EBS Volumes
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 PostgreSQL , we compare Dolt'...
Read More - REFERENCE14 min read
Smashing Decentralized Databases Together for Fun and Science
There are lots of decentralized database technologies. Let's break them down and recombine them.
Read More - FEATURE RELEASE10 min read
Dolt Reflog
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
Read More - SQL7 min read
Costing Index Scans
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 that need to adapt to underlying table da...
Read More - INTEGRATION15 min read
- TECHNICAL7 min read
Getting stack traces for errors in Go
Techniques and libraries for getting stack traces for your errors in Go
Read More - WEB6 min read
Building Single Sign-On for your Web Application
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 authorize access to their organization ...
Read More - SQL7 min read
Sensible User Privileges and Dolt Procedures
Keeping your version controlled data safe just got easier
Read More - RELEASE4 min read