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SQL Formatter

Format and beautify SQL queries with proper indentation

■ 01

What is SQL?

SQL (Structured Query Language) is a standard language for managing and manipulating relational databases. Proper formatting makes SQL queries more readable and easier to maintain.

■ 02

How does it work?

Paste your SQL query in the input field and click Format SQL. The tool will uppercase keywords, add proper indentation, and organize the query for better readability. Formatting Features This tool converts keywords to u…

■ 03

Sample Cases

Covers Simple SELECT query, Query with JOIN, and Complex query so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// No external dependencies needed - uses built-in string manipulation

function formatSql(sql: string): string {
  if (!sql.trim()) return '';

  const keywords = [
    'SELECT', 'FROM', 'WHERE', 'AND', 'OR', 'ORDER BY', 'GROUP BY',
    'HAVING', 'JOIN', 'LEFT JOIN', 'RIGHT JOIN', 'INNER JOIN',
    'ON', 'AS', 'INSERT INTO', 'VALUES', 'UPDATE', 'SET',
    'DELETE FROM', 'CREATE TABLE', 'LIMIT', 'UNION', 'CASE',