Here is an example of user in database:
MariaDB [owncloud]> select * from oc_ldap_user_mapping where ldap_dn like 'uid=cle-jehan,%' limit 10\G
*************************** 1. row ***************************
ldap_dn: uid=cle-jehan,ou=personnels en,ou=ac-versailles,ou=education,o=gouv,c=fr
owncloud_name: 8891ce57-1dd211b2-80000000-00000000
directory_uuid: 8891ce57-1dd211b2-80000000-00000000
1 row in set (0.00 sec)