SELECT c.value || ‘/‘ || d.instance_name || ‘_ora_‘ || a.spid || ‘.trc‘ trace
FROM v$process a, v$session b, v$parameter c, v$instance d
WHERE a.addr = b.paddr
AND b.audsid = userenv(‘sessionid‘)
AND c.name = ‘user_dump_dest‘;
原文：https://www.cnblogs.com/hanglinux/p/13071022.html