# Page Not Found

The URL `ref/xpand/functions/CONNECTION_ID` does not exist.

You might be looking for one of these pages:
- [CONNECTION_ID](https://mariadb.com/docs/server/reference/sql-functions/secondary-functions/information-functions/connection_id.md)
- [Connecting](https://mariadb.com/docs/server/reference/clientserver-protocol/1-connecting/connection.md)
- [POSITION](https://mariadb.com/docs/server/reference/sql-functions/string-functions/position.md)
- [CONVERT_TZ](https://mariadb.com/docs/server/reference/sql-functions/date-time-functions/convert_tz.md)
- [CONCAT_WS](https://mariadb.com/docs/server/reference/sql-functions/string-functions/concat_ws.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/sql-functions/secondary-functions/information-functions/connection_id.md`)
- Use `Accept: text/markdown` header for content negotiation