How to Format SQL Queries for Better Readability

Why Format SQL?

Well-formatted SQL is easier to read, debug, and maintain. Proper indentation of clauses like SELECT, FROM, WHERE, and JOIN helps you quickly understand query logic and spot errors.

SQL Formatting Best Practices

Put each clause on its own line.
Indent subqueries and JOIN conditions.
Use UPPERCASE for keywords, lowercase for identifiers.
Add line breaks before AND/OR in WHERE clauses.

Supported SQL Dialects

Our formatter works with MySQL, PostgreSQL, SQLite, and SQL Server, with syntax highlighting for each.

Q: Does formatting SQL change its behavior?

A: No. Formatting only changes whitespace and indentation, not the query logic or results.

Q: What is the difference between SQL and MySQL?

A: SQL is the language; MySQL is a specific database system that uses SQL.

Q: Can I format multiple queries at once?

A: Yes, our tool handles multiple statements separated by semicolons.

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