SELECT Matricule
FROM PARCOURS_HE_SESS
MINUS
SELECT Matricule
FROM PARCOURS_HE_SESS INNER JOIN MENTIONS ON (PARCOURS_HE_SESS.Mention=MENTIONS.Mention)
WHERE PARCOURS_HE_SESS.AnSco <> 2005 AND PARCOURS_HE_SESS.Total =< 650 AND PARCOURS_HE_SESS.Sess <> 1 AND MENTIONS.Sess <> 2
ORDER BY Matricule;