-- Query 13

SELECT
    srv2.numserveur,
    srv2.nomserveur,
    srv2.villeserveur
FROM serveur srv1
INNER JOIN serveur srv2 ON srv1.villeserveur = srv2.villeserveur
WHERE
    srv1.nomserveur = "Durant Pierre"
    AND srv1.numserveur != srv2.numserveur;

/* == RESULT ==
"numserveur","nomserveur","villeserveur"
53,"Pillot Alain","BELFORT"
*/