Side by side
SQLint vs Valk Guard
Both stand on sql linters and formatters. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Linux
Choose SQLint if you need a free, MIT-licensed way to lint and format Standard SQL (BigQuery), with both command-line and Python use. Its Alpha classification and single listed dialect make it a narrower fit for developers who need something beyond those stated capabilities.
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Valk Guard focuses on pre-merge SQL checks that fit CI and pull-request review. Its no-database workflow and multiple output formats are useful for automation, while PostgreSQL-only parsing limits database coverage.
Visit Valk GuardThe facts
| SQLint | Valk Guard | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | github.com | github.com |
| On sql linters and formatters | #21 of 26 | #25 of 26 |
SQLint: what it does well
- Checks common SQL spacing, casing, comma, bracket, and join styles.
- Formats queries with the `-f` option.
- Offers Python functions for parsing, checking, and formatting.
- Supports automatic fixes and CI/CD integration.
- Free and MIT-licensed, with Docker usage documented.
What to know first
- Supports Standard SQL (BigQuery) only.
- Listed as Alpha; release 0.2.4 dates to October 22, 2019.
- Listed platform is Linux.
Valk Guard: what it does well
- Free and Apache 2.0 licensed
- Scans without database infrastructure
- Includes 19 query and schema rules
- Supports SARIF and reviewdog output
- Provides Linux, macOS, and Windows binaries
What to know first
- PostgreSQL only
- No automatic fixes
- No custom rules
- C# synthesis skips uncertain dynamic expressions
Alternatives to SQLint Alternatives to Valk Guard The whole list