SELECT em.name,em1.name,em2.name
from relations_users re
INNER JOIN employee em ON em.id = id_user_owner
INNER JOIN employee em1 ON em1.id = id_user_team_lead
INNER JOIN employee em2 ON em2.id = id_user_baer
ORDER by id_user_team_lead
SELECT re.id_user_owner,re.id_user_team_lead,re.id_user_baer
from relations_users re
INNER JOIN employee em ON em.id = id_user_owner
INNER JOIN employee em1 ON em1.id = id_user_team_lead
INNER JOIN employee em2 ON em2.id = id_user_baer