Select Star SQL “… is an interactive book which aims to be the best place on the internet for learning SQL. It is free of charge, free of ads and doesn’t require registration or downloads. It helps you learn by running queries against a real-world dataset to complete projects of consequence. It is not a mere reference page — it conveys a mental model for writing SQL”. Very nicely laid out (credits M. Buttrick of “Practical Typography”).
SQLBolt - Learn SQL - Introduction to SQL … a series of interactive lessons and exercises designed to help you quickly learn SQL right in your browser. Related website - regexone
Advanced SQL window functions quiz
SQL style guide by Simon Holywell
How Does a Database Work? | Let’s Build a Simple Database
Learn SQL while solving crimes! SQL Police Department
Redash – can be self hosted.
Franchise: a sql notebook – runs local proxy on your system. the UI itself is on franchise.cloud
website. Can also run locally.
forbesmyester/esqlate – Build minimum viable admin panels quickly with just SQL. uses node.js proxy behind nginx. template queries are written using JSON and the “holes” are filled by user to get the results back. Users can also add new records.