Mastering SQL Formatting
SQL (Structured Query Language) is robust but can quickly become unreadable. A complex JOIN with multiple WHERE clauses and nested SELECTs looks like "spaghetti code" if not formatted properly. This tool helps you maintain clean, readable, and performant database queries.
Security Warning: SQL Injection
When using our "SQL to Code" converter, remember: Never concatenate user input directly into your query string.
❌ Unsafe (Vulnerable):
String query = "SELECT * FROM users WHERE name = '" + userName + "'";✅ Safe (Parameterized):
String query = "SELECT * FROM users WHERE name = ?";
stmt.setString(1, userName);Dialect Differences
Not all SQL is the same. While the basics (SELECT, FROM, WHERE) are standard, quoting rules differ:
- MySQL: Uses backticks (`) for column names.
- PostgreSQL: Uses double quotes (") for column names.
- SQL Server (T-SQL): Uses brackets ([ ]) for column names.
Use the Dialect Selector at the top of this tool to ensure your code is formatted according to the specific rules of your database.
Why Minify SQL?
Minification removes comments and whitespace. While not critical for performance (database optimizers handle this), it is useful for logging, creating compact stored procedure definitions, or reducing payload size when sending queries over a network.