# Page Not Found

The URL `installation-setup/installation/backend-de-base-de-donnees/postgresql` does not exist.

You might be looking for one of these pages:
- [PostgreSQL](https://docs.ngsurvey.com/fr/installation-setup/installation/base-de-donnees-backend/postgresql.md)
- [Oracle MySQL](https://docs.ngsurvey.com/fr/installation-setup/installation/base-de-donnees-backend/oracle-mysql.md)
- [Base de données backend](https://docs.ngsurvey.com/fr/installation-setup/installation/base-de-donnees-backend.md)
- [Microsoft SQL Server](https://docs.ngsurvey.com/fr/installation-setup/installation/base-de-donnees-backend/microsoft-sql-server.md)
- [MariaDB](https://docs.ngsurvey.com/fr/installation-setup/installation/base-de-donnees-backend/mariadb.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/fr/installation-setup/installation/base-de-donnees-backend/postgresql.md`)
- Use `Accept: text/markdown` header for content negotiation