- 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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- BOUNTY4 min read
Open source lab test pricing data, and why prices vary so much
Hospital lab tests are commodities: a test is a test is a test. So how can end up with a $8,500 mole biopsy or a $28,000 strep throat cell culture ? Many investigations raise this question but stop short of answering it. We dug into this qu
Read More - USE CASEREFERENCE8 min read
Dolt + Looker Studio
A couple weeks ago I wrote about how to use Dolt with Apache Superset . Dolt provides powerful versioning features to Superset charts and dashboards. Dolt "just works" with Superset using the MySQL connector so it's really easy to get start
Read More - 7 min read
MySQL Information Schema Compatibility
Dolt is a version controlled MySQL-compatible database, written from the ground up in Go. We're always working to close the remaining gap on full compatibility with MySQL. In this blog post, we're talking about the work we've done to make Dolt…
Read More - 9 min read
Version control for Video Game Development using Dolt
Dolt is the world's first SQL database that you can branch and merge, push and pull, fork and clone just like a git repository. A lot of people, when they hear about this, say "that's really cool, but what would I do with it?" The answer of cours
Read More - USE CASE15 min read
Dolt for Backups
Dolt started as a data sharing tool . Dolt is still a great data sharing tool as you can see from DoltHub Data Bounties where people around the world collaborate on building open databases . But as Dolt got more popular, people wanted t
Read More - SQL6 min read
Anti Performance
Dolt is the first fully version controlled relational database . Every Git command is exposed as a SQL function, allowing users to efficiently branch, diff, and merge tables. We recently added anti and semi join support. ANTI_JOIN and SEMI_J
Read More - REFERENCEUSE CASEGOLANG10 min read
Embedding Go in C
Here at DoltHub, our centerpiece is Dolt , which fuses a MySQL-compatible database with Git-style versioning capabilities. People have found many creative uses for Dolt , but there's one area that Dolt has yet to step foot in: the library
Read More - REFERENCE5 min read
Dolt for MySQL Database Versioning
Recently, I came across this Reddit post going over how they manage database versioning . I was particularly interested in this response To be fair it is really strong process for tracking and recording database c
Read More - USE CASEREFERENCE6 min read
Dolt + Superset
A customer wanted to use Apache Superset to visualize Dolt databases. This customer runs DoltLab and intends to version hundreds of databases there. He wants a subset of those databases available to Superset for visualization. Dolt prov
Read More - FEATURE RELEASESQL5 min read
Dolt Now Supports Online Garbage Collection
Dolt is a version controlled SQL database that you can branch, merge, and diff. Dolt stores data in a prolly tree to efficiently support these operations, which can come with write overhead and use a lot of storage. You can reduce the am
Read More - SQL6 min read
Simulating System Table Indexes
Dolt is the first version controlled SQL database. Dolt uses Git semantics to branch and commit state checkpoints, and MySQL semantics to define, mutate, and access data. We've optimized a variety of performance benchmarks over the last year:
Read More - REFERENCE10 min read
Getting Started: Git for Data
Last June, I published a Getting Started: Version Controlled Database blog that quickly became Dolt's GitHub README . As I say in that blog: Dolt started as a data sharing tool, "Git for Data" . Dolt's original focus was implementing G
Read More - FEATURE RELEASESQL7 min read
Unlocking Time-Travel for Data and Code
Imagine, for a moment, that both code and data were not constrained to the present. With a "standard" database, your data lives only in the present. Sure, with backups you're able to recall the past, but to do so means to fully immerse yourself in…
Read More - BOUNTY5 min read
Shrinking the insurance data dump
On its face, it's hundreds of terabytes, millions of files, and trillions of negotiated rates between insurers and providers. But the health insurance data dump is probably smaller than it seems. Back in July, health insurers published all their
Read More - TECHNICAL3 min read
DoltHub goes to GopherCon
Dolt is the world's first SQL database with Git-style version control. We spent the first part of 2022 working on our performance, in large part by re-writing the storage engine. In October, we were lucky enough to be invited to speak about this
Read More - TECHNICAL5 min read
ACID Transactions in Dolt
Today's blog is about ACID transactions in Dolt, how we built them and what this means for Dolt users. Dolt first released SQL transactions 18 months ago. Since then we've continued to improve transactional performance in Dolt sql-server, but th
Read More - USE CASE7 min read
Superpower Retool with Dolt
If you haven't heard about it yet, Retool.com is a low-code solution to create internal tools at your company. Their slogan is: Stop wrestling with UI libraries, hacking together data sources, and figuring out access controls. Start shippi
Read More - REFERENCE7 min read
So you want Data Merge?
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 us. Dolt is a lot of things. Dolt is a version controlled database , a Git database , Git for
Read More - SQL4 min read
MySQL Compatibility for Decimal and Floating Point Arithmetic
For those who are unfamiliar with Dolt , it is a version controlled SQL database. If you know what GitHub and MySQL are, you already know how to use Dolt! We have been improving our compatibility with MySQL everyday by implementing MySQL features
Read More - GOLANG5 min read
Hacking Go's Runtime with Generics
Today's blog is about maphash , a new open-source package for hashing arbitrary (comparable) Golang types. We'll do a deep-dive on how its implemented as well as some interesting tid-bits on the Golang runtime. Here at Dolthub, we love Golang!
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