Question 1

What SQL dialects are supported?

Accepted Answer

MySQL, PostgreSQL, SQLite, SQL Server (T-SQL), MariaDB, and standard SQL.

Question 2

Does it handle complex queries?

Accepted Answer

Yes — subqueries, CTEs, JOINs, window functions, and stored procedures are all formatted correctly.

Question 3

Will formatting change my query results?

Accepted Answer

No — only whitespace and indentation are modified. Your query logic is untouched.

Question 4

Can it uppercase keywords?

Accepted Answer

Yes — SELECT, FROM, WHERE and other keywords are automatically uppercased for readability.

SQL Formatter

How to Use SQL Formatter