1. REFERENCE
    8 min read

    So you want Database Version Control?

    Tim SehnTim Sehn |

    Database Version Control is a poorly ranked Google search. For me, it starts with a horizontally scroll-able section on code version control: irrelevant. Then, next up is ads for Redgate, Liquibase, and verta.ai. The rest of the non-sponsored…

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  1. 6 min read

    Django and Dolt part II

    Back in June, we wrote about running Django on Dolt. We described our journey from Dolt as "Git for Data" to what we are today: a MySQL compatible relational database that is 99% SQL compliant. To fulfill our vision as a drop-in replacement for MySQL…

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  2. 8 min read

    A Poorman's Pachyderm: Do we need enterprise ML platforms?

    Developing machine learning infrastructure is a competitive new space. Machine learning operations (MLOps) promises to replace stodgy, manual scripts with automated and reproducible pipelines, unlocking priceless volumes of business value in the…

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  3. 5 min read

    Dolt and Images

    Dolt is a MySQL-compatible database that uniquely supports version control operations such as branch, merge, and diff. Over the past couple of months, our customers have been asking us to support the loading and versioning of files, particularly…

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  4. 4 min read

    Menus bounty retrospective

    Dolt is a MySQL-compatible database with branch, merge and diff. DoltHub is a place on the internet to host, share and query Dolt databases. This blog is a retrospective on the bounty that launched on July 14th and wrapped on August 4th. Part of the…

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  5. 2 min read

    Announcing $10,000 US Schools Bounty

    It's time for another data bounty. Today, we're launching a $10,000 bounty to collect basic identifying data about schools in the United States. We seeded the database with California K through 12 Schools. Only 49 states (and the District of Columbia…

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  6. 7 min read

    Open Source Patterns in Python

    About Dolt Web services make heavy use of versioning and open source sharing as a daily part of development. Production deployment is increasingly automated by AWS and other cloud services. Sandboxing, testing, and offline debuggability increase the…

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  7. 4 min read

    Generational Garbage Collection

    Dolt is a MySQL-compatible database that uniquely supports version control operations such as branch, merge, and diff. Aaron Son has blogged about how Dolt stores data in a prolly tree in order to support these operations efficiently. However…

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  8. 4 min read

    Learn SQL Using Practice Dolt Databases

    Dolt is a MySQL compatible database with Git-like versioning semantics. DoltHub is a place on the internet to share Dolt databases. Databases are notoriously unforgiving. We all know a person who accidentally ran a bad query in production and broke a…

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  9. 8 min read

    Indexing Keyless Tables

    Introduction Dolt is a new relational database with Git style versioning and offline debuggability. To be used as an application database, Dolt must be a drop in replacement for other SQL databases. We started with MySQL, the most frequently used SQL…

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  10. 13 min read

    The Long, Dark Rewrite of the Soul

    Great art is never truly finished, only abandoned. And great, living software is the same way. It's never done, but always in a state of constant flux between additions and rewrites. Software engineers are a curmudgeonly sort, and sometimes we like…

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  11. 5 min read

    Edit on the Web Redux

    DoltHub is a place on the internet to share, discover, and collaborate on Dolt databases. About a year ago we set off on a journey to make adding and editing data on DoltHub possible. Our goal was to ease collaboration on data using Dolt and Dolthub…

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  12. 7 min read

    Is Dolt a Blockchain?

    From Dolt's inception, we shied away from blockchain hype. Dolt looks more like a traditional SQL database with Git-style features than something that could power a digital coin. Dolt is not targeting traditional blockchain use cases. But over the…

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  13. 13 min read

    Benchmarking SQL Reads on EBS and S3

    Recently, we conducted some quick and dirty read latency smell tests comparing reads against Amazon's EBS volumes to reads against Amazon's S3. We ran these to test our hypothesis that a proposed infrastructure project would be a worthwhile…

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  14. 5 min read

    How the menus bounty broke DoltHub

    Dolt is a MySQL-compatible database with branch, merge and diff. DoltHub is a place on the internet to host, share and query Dolt databases. If you’re just hearing about the menus bounty, here is menus launch blog. If you're new to data bounties, I…

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  15. 5 min read

    Dolt as an Immutable Database

    Dolt is Git for data. DoltHub is a place on the internet to share Dolt databases. In a recent discussion with a potential customer, the customer thought we did not make a big enough deal of Dolt being immutable at a commit. If you provide the commit…

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  16. 5 min read

    An Overview of DoltHub Infrastructure

    DoltHub is our web application for working with, sharing and collaborating on Dolt databases. We host dolt remotes and run bounties on DoltHub, among other things. Sometimes when talking with customers or candidates, we get questions about how…

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  17. 15 min read

    Merging Branches with Foreign Keys

    Dolt is a SQL database with Git-style versioning. With each new version of Dolt, we increase the number of supported SQL features. We're moving toward our goal of being a complete drop-in replacement for MySQL, while adding all of the versioning…

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  18. 6 min read

    Dolt without DoltHub: Other Dolt Remotes

    Dolt is a SQL database with Git-style versioning, and like git, when you want to make your data available to others you need a place to push it to so others can clone / pull it. In both Git and Dolt this is called a remote. A remote is simply a…

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  19. 8 min read

    Dolt and Ecto/Elixir

    Dolt is a SQL database with Git-style versioning. A couple of months ago, our team was introduced to an engineering team that wanted to use Elixir with Dolt. Elixir is a "dynamic, functional language", based off the Erlang VM. We thought it was…

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  20. 10 min read

    Improving Diffs on DoltHub

    DoltHub is a place on the internet to share, discover, and collaborate on Dolt databases. Diffing between different versions of data is a big part of what makes Dolt unique as a database, and we revamped our diff page on DoltHub to better show off…

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