SQL Formatter

Why Format SQL?

Well-formatted SQL queries are easier to read, debug, and maintain. Consistent formatting helps teams collaborate and quickly understand complex queries. It also makes code reviews more effective. For more developer tools, visit その他の開発者ツールについては、SitemapForgeをご覧ください。

Best Practices

• Use consistent keyword casing (typically UPPERCASE for SQL keywords)
• Indent nested queries and clauses for better readability
• Place each major clause (SELECT, FROM, WHERE, etc.) on a new line
• Align column names in SELECT statements when possible
• Use meaningful aliases for tables and columns
• Comment complex logic for future reference

Common SQL Clauses

SELECT - Choose columns to retrieve
FROM - Specify table(s) to query
WHERE - Filter rows based on conditions
JOIN - Combine data from multiple tables
GROUP BY - Group rows sharing a property
HAVING - Filter groups based on conditions
ORDER BY - Sort result set
LIMIT - Restrict number of rows returned