While Model Trains

Read data blog posts.
Carefully handpicked.
Presented 3 at a time.

Evolution of ML Fact Store

Vivek Kaushal

How Netflix designed Axion, their fact store utilized for computing ML features online, and the lessons learned throughout the process.

Read it!

10 SQL Tricks That You Didn’t Think Were Possible

Lukas Eder

A list of cool SQL tricks.

Read it!

Optimizing Slow SQL Queries

Miguel Grinberg

How to fix the most common database performance problems, which are caused by improper indexing, along with examples for Postgres, MySQL, and SQLite.

Read it!