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SQL formatting improves readability by applying consistent capitalization, indentation, and line breaks. Keywords are typically UPPERCASE, identifiers lowercase, and each clause starts on a new line.
SELECT → new line; FROM → new line; WHERE → new line; AND/OR → indented new line; JOIN → new lineSQL dialects (MySQL, PostgreSQL, SQL Server, Oracle) have different keywords, quoting styles, and operators. The formatter should recognize dialect-specific syntax to avoid breaking valid queries.
Updated: July 2026
Clean up a minified multi-table JOIN query with subqueries for code review.
→ Formatted with uppercase keywords, aligned JOINs, and proper indentation
Indent a DDL statement with column definitions, constraints, and indexes.
→ Each column on its own line, constraints grouped, proper alignment
Only SQL keywords (SELECT, FROM, WHERE, JOIN) should be uppercased. Table names, column names, and aliases should keep their original case or use snake_case.
Short function calls like COUNT(*), COALESCE(a, b) should stay on one line. Only break multi-argument functions when they exceed line length limits.
Format complex SQL with customizable keyword casing and indentation. Beautify stored procedures, CTEs, and nested queries for review and documentation. It applies the sql formatting standards (SELECT → new line; FROM → new line; WHERE → new line; AND/OR → indented new line; JOIN → new line). For example: format a complex join query — Clean up a minified multi-table JOIN query with subqueries for code review.