The Checkered Flag Diagram for visualizing SQL joins. I really like this alternative to Venn diagrams for showing the difference between different types of SQL join (left join, right join, cross join etc).
Recent articles
- Your job is to deliver code you have proven to work - 18th December 2025
- Gemini 3 Flash - 17th December 2025
- I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours - 15th December 2025