SQL education for software teams

Guides for cleaner, clearer SQL.

Six focused articles on beautifying, optimizing, reviewing, and maintaining SQL—written for developers, analysts, and DBAs who ship queries to production.

Formatting

Formatting CTEs for readable analytics SQL

Lay out WITH clauses, name pipeline steps clearly, and beautify long analytics queries for easier review.

Optimization

Subquery patterns worth cleaning up before optimization

Which nested SELECT shapes are good candidates for structural cleanup—and which deserve a manual review.

Optimizer

Introducing the SQL Script optimizer

How the browser-based optimizer applies safe structural rewrites, summarizes changes, and pairs with beautify and auto-comment.

Dialects

PostgreSQL vs MySQL formatting notes

A developer-friendly comparison of dialect details that affect how SQL should be beautified and reviewed.

Code reviews

How formatted SQL improves code reviews

Learn how consistent SQL style helps reviewers focus on logic, performance, and data correctness.

Best practices

SQL formatting best practices for maintainable queries

A practical guide to line breaks, indentation, keyword casing, aliases, CTEs, and comments in professional SQL.

On the homepage

One tool, three workflows.

Every article links back to the same browser-based workspace: beautify SQL, add auto-comments, or run the optimizer—without sending queries to a server.

Beautifier

Consistent indentation and keyword casing across 20+ dialects.

Auto-commenter

Plain-English notes that explain joins, filters, and aggregations.

Optimizer

Safe structural rewrites with a summary of what changed.

Open SQL tool

Beautify, auto-comment, and optimize SQL in your browser—then copy or download for PRs and runbooks.