# Page Not Found

The URL `sql/features/constraints/enterprise-server/primary-key` does not exist.

You might be looking for one of these pages:
- [PRIMARY KEY Constraints](https://mariadb.com/docs/server/architecture/server-constraints/primary-key-constraints.md)
- [Installing Primary/Replica](https://mariadb.com/docs/server/architecture/topologies/primary-replica.md)
- [Security Vulnerabilities (CVE) Fixed in MariaDB Enterprise Server](https://mariadb.com/docs/server/security/cve/enterprise-server.md)
- [Installing Enterprise Server](https://mariadb.com/docs/server/architecture/topologies/single-node-topologies/enterprise-server.md)
- [Y](https://mariadb.com/docs/server/reference/sql-statements/geometry-constructors/point-properties/point-properties-y.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/architecture/server-constraints/primary-key-constraints.md`)
- Use `Accept: text/markdown` header for content negotiation