Is there any way to trace my session

Question

Is there any way to trace my session even when i forgot to fire
spool file name .................

Answer 1

Tkprof can give you all information below
[http://www.orafaq.com/wiki/TKProf]
TKProf
From Oracle FAQ
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TKProf is an Oracle database utility used to format SQL Trace output into human readable format. The TKProf executable is located in the ORACLE HOME/bin directory.
[edit] Start TKProf
Syntax is:
tkprof input.trc output.prf [options]
Example:
$ tkprof orcl102_ora_3064.trc output.prf EXPLAIN=scott/tiger SYS=NO
[edit] Sample output
For the above example, the output would be in file output.prf:
Tkprof: Release 9.2.0.1.0 - Production on Tue Dec 24 15:32:43 2002
Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.
Trace file: ORCL102_ora_3064.trc
Sort options: default
count    = number of times OCI procedure was executed
cpu      = cpu time in seconds executing
elapsed  = elapsed time in seconds executing
disk     = number of physical reads of buffers from disk
query    = number of buffers gotten for consistent read
current  = number of buffers gotten in current mode (usually for update)
rows     = number of rows processed by the fetch or execute call
select *
from
employee where emp_id = 3737
call     count       cpu    elapsed       disk      query    current        rows
Parse       10      0.00       0.03          0          0          0           0
Execute     10      0.00       0.00          0          0          0           0
Fetch       20      0.34       0.35         72       4730          0          10
total       40      0.34       0.39         72       4730          0          10
Misses in library cache during parse: 1
Optimizer goal: CHOOSE
Parsing user id: 59
Rows     Row Source Operation
      1  TABLE ACCESS FULL EMPLOYEEAnother insteresting link
[http://www.dbspecialists.com/files/presentations/use_explain.html]