获取 trace 文件名词的脚本

摘自【深入解析Oracle----作者：盖国强】

select a.value || b.symbol || c.instance_name || '_ora_' || d.spid || '.trc' trace_file_name
from (select value from v$parameter where Name = 'user_dump_dest') a,
     (select substr(value,-6,1) symbol from v$parameter where name =    'user_dump_dest') b,
     (select instance_name from v$instance) c,
(select spid from v$session s,v$process p,v$mystat m
     where s.paddr = p.addr and s.sid = m.sid and m.statistic# = 0) d;