Oscar Batori

January 22, 2020

Redesigning DoltHub Dolt is a database and a data format. DoltHub is a way of hosting and collaborating on Dolt databases. We decided to redesign DoltHub to make it more user friendly. We are excited to announce that we have released the resu...

Zach Musgrave

December 17, 2019

A few months ago we finally settled on a good way to measure the correctness of Dolt's SQL engine: the sqllogictest package, first developed for SQLite and since used as a benchmark for lots of other database implementations. SQLite hit u...

Tim Sehn

December 6, 2019

IBM and General Electric invented the first databases in the early 1960s. It was only by the early 1970s that enough data had accumulated in databases that the need to transfer data between databases emerged. Enter the Comma Separated Values (CSV…

Taylor Bantle

December 4, 2019

Wikipedia is the largest and most popular general reference work on the internet, making it a powerful tool for predictive language modeling. Wikipedia releases a dump of all its articles and pages twice a month, and we created a dataset of...

Zach Musgrave

November 19, 2019

Since releasing Dolt , we have often been asked how it scales. How many rows and how many gigs can you get into a Dolt dataset before things start breaking badly? Answering this question in practice is kind of difficult, simply because it'...

Tim Sehn

November 11, 2019

I have been a huge Econtalk fan for over ten years. On his podcast with Sebastian Junger , Russ Roberts brought up what he called a Chinese proverb. No food, one problem. Have food, many problems. The wisdom of this saying really resonated ...

Tim Sehn

November 1, 2019

ImageNet is a dataset maintained by the Stanford Vision Lab. It seems to have fallen into disrepair. The links to download the image labels are broken. We have managed to procure all four released versions of the labeled images and import them ...

Matt Jesuele

October 29, 2019

Ever look at some data and wonder where a particular value came from, how long it's been there, or what the reason for changing it was? This is important information, but current data storage formats don't track or expose it—certainly not in a…

Tim Sehn

October 28, 2019

As we discussed in the Where Is the Data Catalog? blog post, Dolt is a database designed for internet-scale collaboration. There are databases with differences, history, rollback, and audit logging. We think the Git semantics of Dolt provi...

Zach Musgrave

October 22, 2019

When we first started writing Dolt , we weren’t thinking about SQL functionality. We just knew we wanted a way to package data sets to make them easy to share, collaborate and merge -- to do for data what git did for source code. But as we de...

Tim Sehn

October 22, 2019

The Princeton WordNet database is on DoltHub . This blog entry will be about how it got there and how to use it. WordNet is distributed natively from Princeton as a compilable custom database . You can also download the database files only b...

Tim Sehn

October 14, 2019

When Dolt and DoltHub first went into private beta, we were surprised that the Iris dataset was the dataset people first tried to put in Dolt. If you are looking for that dataset, we have uploaded it to DoltHub . In this article, we're going t...

Tim Sehn

October 9, 2019

Why is there no place on the internet to get useful, maintained data? This question has puzzled me since 2013. We can rent a server. We can rent a database. Why can't we rent the data in the database? Something like that would be extremely useful. ...