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SQL Formatter

Beautify or minify SQL for MySQL, PostgreSQL, SQLite and SQL Server, without ever executing it.

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Questions
Does this run or validate my SQL against a real database?
No. This is a pure text transform - a tokenizer that recognises strings, identifiers and comments well enough to reformat or strip them safely. It never connects to a database and never executes anything.
Will formatting ever change what a string literal contains?
No. The tokenizer treats every quoted string, backtick or bracket identifier, and dollar-quoted block as one opaque unit whose contents are never touched, even if they contain something that looks like a keyword or a comment marker.
What does the dialect setting actually change?
Which quoting styles are recognised as identifiers (backticks for MySQL, brackets for SQL Server, dollar-quoting for PostgreSQL) and a handful of dialect-specific keywords. It is not a full parser for any one database - reasonably standard SQL formats correctly regardless of dialect.
        
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