EXPLAIN

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Tools

SQLite output that shows low-level virtual machine bytecode for a SQL statement.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by product launches, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

4Simon Willison·7/18/2026product_launch
SQLite Query Explainer
Simon Willison introduced SQLite Query Explainer, a browser-based tool that runs SQL queries against a SQLite database and annotates the results of both EXPLAIN QUERY PLAN and low-level EXPLAIN output with plain-English explanations. The tool runs SQLite in Python through Pyodide and WebAssembly, aiming to make query planner and virtual machine behavior easier to understand.