Database not connected

Hello,

I go these errors whe I try to connect with the database.
I’m on Siteground server for information and le production website is on OVH.

=== START test_database 2024-06-20 17:59:44 ===
[ERROR] Impossible de se connecter à la base de données de Joomla. Merci de vérifier vos paramètres. Et soyez certains que le serveur WordPress ait accès à la base de données de Joomla.
SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo for andevajoomla.mysql.db failed: Name or service not known
=== END test_database 2024-06-20 17:59:45 ===

Thank you

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