1. REFERENCE
    9 min read

    So you want Database Versioning?

    Tim Sehn |

    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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  1. REFERENCEUSE CASEGOLANG
    7 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

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  2. REFERENCE
    5 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

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  3. REFERENCE
    6 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

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  4. FEATURE RELEASESQL
    5 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

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  5. SQL
    6 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:

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  6. REFERENCE
    10 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

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  7. FEATURE RELEASESQL
    7 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…

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  8. BOUNTY
    5 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

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  9. TECHNICAL
    3 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

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  10. TECHNICAL
    5 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

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  11. USE CASE
    7 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

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  12. REFERENCE
    7 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
  13. SQL
    4 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

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  14. GOLANG
    5 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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  15. INTEGRATION
    8 min read

    Coming soon... MySQL Binlog Replication

    DoltDB is a MySQL-compatible database with Git's distributed versioning features. It's the first relational database that versions your data changes AND your schema changes. Today's blog post is a teaser for a new project we're working on... My

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  16. 8 min read

    The Wordcel's Guide to Shape Rotation using the Git Commit Graph

    It's 2022, and the version control wars are conclusively over. Everybody uses git, but hardly anybody really understands it, and even fewer truly love it. I think these last two points are related. It's hard to

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  17. 4 min read

    DoltHub's DBs are migrated. Are yours?

    DoltHub is the place to share Dolt 's version controlled databases. Last month, we created a migrate button that automatically migrates your Dolt databases to the latest storage format. We've since migrated all ~100 public databases on the Do

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  18. SQL
    5 min read

    Prefix Indexes

    If you haven't heard, Dolt is a SQL database with Git versioning . A couple of months ago, a customer asked for prefix indexes , so we implemented them. In this blog, we'll discuss how to use prefix indexes, their benefits, as well as their lim

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  19. FEATURE RELEASESQL
    6 min read

    Improving Stored Procedure Support

    Here at DoltHub, our centerpiece is Dolt, which fuses a MySQL-compatible database with Git-style versioning capabilities. After you install Dolt , all it takes are a few commands to have a running server: mkdir demo cd demo dolt init dolt

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  20. BOUNTY
    10 min read

    (Do Not) Let Them Build: Mining Open Data to find NIMBY and YIMBY counties

    This is a guest post by Rimantas Lukosevicius. He is a regular bounty contributor and this is his first data analysis blog for us. Who and Where are the NIMBYs? During the second iteration of DoltHub's USA housing price data bounty a

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