The usage of SQLPATH
1. create directory www.2cto.com
mkdir /home/oracle/scripts
2. copy script to the directory
cp gettrc.sql /home/oracle/scripts
3. edit ./.bash_profile and add the following info into it
export SQLPATH=/home/oracle/scripts:$SQLPATH
4. Explanation:
sqlplus will find script default with SQLPATH parameter.
When you use @gettrc.sql,then the sqlplus can locate it and execute it successfully.
The following sql statement is the detail of gettrc.sql .
SELECT d.VALUE
|| '/'
|| LOWER (RTRIM (i.INSTANCE, CHR (0)))
|| '_ora_'
|| p.spid
|| '.trc' trace_file_name
FROM (SELECT p.spid
FROM v$mystat m, v$session s, v$process p
WHERE m.statistic# = 1 AND s.SID = m.SID AND p.addr = s.paddr) p,
(SELECT t.INSTANCE
FROM v$thread t, v$parameter v
WHERE v.NAME = 'thread'
AND (v.VALUE = 0 OR t.thread# = TO_NUMBER (v.VALUE))) ioracle账号,
(SELECT VALUE
FROM v$parameter
WHERE NAME = 'user_dump_dest') d;