# Page Not Found

The URL `ref/mdb/information-schema/CHECK_CONSTRAINTS` does not exist.

You might be looking for one of these pages:
- [Information Schema CHECK_CONSTRAINTS Table](https://mariadb.com/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-check_constraints-table.md)
- [Information Schema Tables](https://mariadb.com/docs/server/reference/system-tables/information-schema/information-schema-tables.md)
- [Information Schema TABLE_CONSTRAINTS Table](https://mariadb.com/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-table_constraints-table.md)
- [CONSTRAINT](https://mariadb.com/docs/server/reference/sql-statements/data-definition/constraint.md)
- [Information Schema REFERENTIAL_CONSTRAINTS Table](https://mariadb.com/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-referential_constraints-table.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://mariadb.com/docs/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://mariadb.com/docs/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/docs/server/reference/system-tables/information-schema/information-schema-tables/information-schema-check_constraints-table.md`)
- Use `Accept: text/markdown` header for content negotiation