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SQL Formatter & Beautifier

Format and beautify SQL queries with proper indentation, keyword capitalization, and line breaks. Supports MySQL, PostgreSQL, SQL Server, Oracle, and more.

Formatting Options

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SQL Style Guide & Best Practices

Formatting Conventions

  • Use UPPERCASE for SQL keywords
  • Indent nested queries and clauses
  • One column per line in SELECT
  • Align JOIN conditions
  • Add comments for complex logic

Readability Tips

  • Use meaningful table aliases
  • Break long queries into CTEs
  • Add blank lines between sections
  • Avoid SELECT * in production
  • Comment non-obvious WHERE clauses
All SQL formatting is done client-side. Your queries never leave your browser.

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References & Citations

  1. Simon Holywell. (2024). SQL Style Guide. Retrieved from https://www.sqlstyle.guide/ (accessed January 2025)
  2. PostgreSQL Documentation. (2024). SQL Formatting Best Practices. Retrieved from https://www.postgresql.org/docs/current/sql.html (accessed January 2025)

Note: These citations are provided for informational and educational purposes. Always verify information with the original sources and consult with qualified professionals for specific advice related to your situation.

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