select(select name from v$database)dbname,username,profile from dba_users@xyz.dk.com
select(select name from v$database)dbname,username,profile from dba_users@abc.dk.com

xyz.dk.com

abc.dk.om

select(select name from v$database@xyz.dk.com)dbname,username,profile from dba_users@xyz.dk.com

select(select name from v$database@abc.dk.com)dbname,username,profile from dba_users@abc.dk.com