Long Operation

Does anyone know what the following SQL statement is doing?
SELECT ARGUMENT,OVERLOAD#,POSITION# POSITION,TYPE# TYPE,
NVL(DEFAULT#,0) DEFAULT#,NVL(IN_OUT,0) IN_OUT,NVL(LEVEL#,0)
LEVEL#,NVL(LENGTH,0) LENGTH,NVL(PRECISION#,0)
PRECISION,NVL(SCALE,0) SCALE,NVL(RADIX,0) RADIX
FROM ARGUMENT$ WHERE OBJ# = :b1 AND
PROCEDURE$ = :b2 ORDER BY OBJ#,PROCEDURE$,OVERLOAD#,SEQUENCE#
I see this when viewing the SQL tab of DBA Studio for a session involved a 'long operation' (little clock icon).
I need to find the statement causing this operation.
Unfortunately this is a 3rd party package written VB with 1000's of imbeded SQL statements in it.

When you run the query, it is optimizer who check optimal path to access data, it also know how many block need to scan.
Same info you will get from v$session_longops.
SELECT s.sid,s.serial#,s.machine,
sl.elapsed_seconds, sl.time_remaining,
ROUND(sl.sofar/sl.totalwork*100, 2) progress_pct
FROM v$session s, v$session_longops sl
WHERE s.serial# = sl.serial# and s.sid = sl.sid
Virag

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i want to remove a particular session which one is running a long query.ie.some user a running a query which one is taking too much time to run.how to kill such session??
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Edited by: you on May 19, 2010 6:02 AM

To find SQLs running for more than 5 Seconds:
col username for a30
col machine for a30
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the below query will tell on which object lock has been acquired , if you know the object name on which long operation is running . then after getting sid you can kill it
select session_id "sid",SERIAL# "Serial",
substr(object_name,1,20) "Object",
substr(os_user_name,1,10) "Terminal",
substr(oracle_username,1,10) "Locker",
nvl(lockwait,'active') "Wait",
decode(locked_mode,
2, 'row share',
3, 'row exclusive',
4, 'share',
5, 'share row exclusive',
6, 'exclusive', 'unknown') "Lockmode",
OBJECT_TYPE "Type"
FROM
SYS.V_$LOCKED_OBJECT A,
SYS.ALL_OBJECTS B,
SYS.V_$SESSION c
WHERE
A.OBJECT_ID = B.OBJECT_ID AND
C.SID = A.SESSION_ID
ORDER BY 1 ASC, 5 Desc
Edited by: PrafullaNath on May 19, 2010 3:15 PM
Edited by: PrafullaNath on May 19, 2010 3:16 PM
Edited by: PrafullaNath on May 19, 2010 3:17 PM

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After reading thru a few posts here, I've come to the conclusion that what I need is going to be much more difficult than I'd planned. Neverthess i'll try to explain...
I have a JFrame which contains a simple JLabel and JProgressBar. While I am performing a long network operation, I am making calls to a Thread class (which contains the above components) to update the JFrame indicating the current status. Normally I have no problem with this as the paintImmediately method suffices. However, when I call this long operation from the constructor of a larger, more complex JFrame, the GUI remains unresponsive (despite the plethora of paintImmediately calls that are executed) until the user clicks in the threaded progress box.
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Any ideas?
thanks!

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As far as I understand the framework, a transaction begins directly after the last commit or rollback.
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Long Operation - OEM

I ran a query on a table with 2 million records. When i looked in OEM the session in which the query is running is on Long operation. Selected the Long Operations tab, in which i can see three sections Active Operations, Past Operations and Details.
My Question is in Detail section the progress bar starts with 0 and ends with a Calculated number (say 2442013). What is the Logic/calculation that oracle uses to arrive at this number (Blocks). My advance thanks for your responses

When you run the query, it is optimizer who check optimal path to access data, it also know how many block need to scan.
Same info you will get from v$session_longops.
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ROUND(sl.sofar/sl.totalwork*100, 2) progress_pct
FROM v$session s, v$session_longops sl
WHERE s.serial# = sl.serial# and s.sid = sl.sid
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Threading long operations

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Try to catch the 'long' operation ...

Hello,
With the following SQL statement, I try to catch the remaining time of a long operation :
select sid,totalwork, sofar, time_remaining, ELAPSED_SECONDS
from v$session_longops
where totalwork > sofar;
The aim is to use it to warn the user when he does a long search.
But i can't find a way to isolate one long operation concerning one user/action.
The problem is that multiple person login into the same user (not really good, I know but ...) and with a user, I can't get his SID ...
Any help willbe gladly appreciated.
Miguel

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