SQL Formatter

SQL Formatter Tool - Format Your SQL Queries Online

Sometimes, SQL queries can become long and complex, making them hard to read and understand. This makes it difficult to maintain and debug the queries. To solve this proble, we have created a free online SQL formatter tool that easily formats your SQL queries so you can read and understand them better.

What is SQL Formatter?

This SQL formatter tool help you to format your long SQL queries to make it more beautiful and readable. It takes your unformatted SQL query and applies proper indentation, line breaks, and spacing to make it easier to read and understand.

This tool supports multiple SQL dialects such as MySQL, PostgreSQL, SQLite, BigQuery, Redshift, Snowflake, Oracle PL/SQL, SQL Server T-SQL, Apache Hive, Spark SQL, MariaDB, Trino, Couchbase N1QL, SingleStoreDB, TiDB, IBM DB2, IBM DB2i.

How to Use SQL Formatter

Step 1: Copy and Paste or type your SQL query in the input box.

Step 2: Select the SQL dialect from the dropdown menu. The SQL query will be formatted according to the selected dialect.

Step 3: Click on the "Format" button to format the SQL query. You will see the formatted SQL query in the output box. If formatter unable to format the query, then error message will be shown at TOP.

Why is formatting SQL queries important?

Maintenance Made Simple: As the project grows, the SQL queries often become large and complex. It is very difficult to read and understand the large SQL queries. This tool help you to format the queries and make it more readable and understandable.

Easy to Debug: Formatted SQL queries are easier to spot errors, identify performance issues, and understand the logic behind the query. This can save you a lot of time and effort when debugging your SQL queries.

Looks Professional and Consistent: Formatted SQL queries looks good in technical documents, presentations, and code reviews. It helps to maintain a consistent coding style across the team, making it easier for everyone to read and understand the SQL queries.

SQL Formatting Best Practices

Consistent Keyword Capitalization

Use uppercase for SQL keywords (e.g., SELECT, FROM, WHERE) to make them stand out. This helps in quickly identifying the structure of the query. For example:

SELECT column1, column2 FROM table_name WHERE condition;

Proper Indentation

If your query becomes long, use indentation to separate different parts of the query. Use tabs or spaces to indent the query. For example:

SELECT
  *
FROM
  table_name
WHERE
  condition

Logical Line Breaks

Break long lines at logical points, such as after commas or before AND/OR operators. This makes it easier to read and understand the query. For example:

SELECT 
    user_id, 
    user_name, 
    email, 
    created_at
FROM 
    users
WHERE 
    status = 'active'
    AND last_login >= '2024-01-01'
    OR user_type = 'admin'
ORDER BY 
    created_at DESC;

Meaningful Aliases

Use meaningful aliases for tables and columns to make the query more readable. Avoid using single-letter aliases unless they are widely accepted (e.g., t for table). For example:

SELECT 
    user.id AS user_id,
    user.name AS user_name,
    order.total AS order_total
FROM 
    users AS user
JOIN 
    orders AS order ON user.id = order.user_id
WHERE 
    order.status = 'shipped';

Conclusion

So as you can see, SQL Formatter is useful for anyone who needs to format their SQL queries, making it easier to read and understand. Programmer and database administrators alike can use this tool to maintain and debug their SQL queries, ensuring that they are always in the correct format and readable.