How to clean the dead sessions in the database?

Question

Hi,
sqlldr user/passwd@dbtns DIRECT=TRUE SKIP_UNUSABLE_INDEXES=TRUE SKIP_INDEX_MAINTENANCE=FALSE control="test.ctl"
3M records
The OS shutdown when i sqlldr, and start another sqlldr into the same table
but the table is locked.
sqlldr failed
SQL*Loader-951: Error calling once/load initialization
ORA-00604: error occurred at recursive SQL level 1
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
how to use ORACLE system maintenance procedure to clear the database dead session?
Which procedure?
I don't want to use the solution:
alter system kill session

Answer 1

HI..
What is the status of the session in V$sesison view.Does the session exist.
COLUMN username FORMAT A15
col osuser for a15
col module for a15
COLUMN machine FORMAT A30
col program for a20
COLUMN logon_time FORMAT A20
SELECT NVL(s.username, '(oracle)') AS username,
       s.osuser,
       s.sid,
       s.serial#,
       p.spid,
       s.status,
       s.module,
       s.terminal,
       s.machine,
       s.program,
       TO_CHAR(s.logon_Time,'DD-MON-YYYY HH24:MI:SS') AS logon_time
FROM   v$session s,
       v$process p
WHERE  s.paddr  = p.addr
and AND    s.status = 'ACTIVE'
ORDER BY s.username, s.osuser;Anand