Re: which row is locked?

Mark:

So which data dictionary table would I need to query to get thedata block transaction work area
when there is no waiting on locked rows?

Any help would be appreciated. Thanks.

David

Mark D Powell wrote in message <913a1r$pf7$1_at_nnrp1.deja.com>...
>In article <9130lo$h2r$1_at_nnrp1.deja.com>,
> steveee_ca_at_my-deja.com wrote:
>> Hi David,
>>
>> If you're trying to find which row is causing contention, you can use
>> V$SESSION..look at these columns:
>>
>> ROW_WAIT_OBJ#
>> ROW_WAIT_FILE#
>> ROW_WAIT_BLOCK#
>> ROW_WAIT_ROW#
>>
>> I hope this helps.
>>
>> Steve
>>
>> In article <912q5k$5in$1_at_mailint03.im.hou.compaq.com>,
>> "david spaisman" <david.spaisman_at_compaq.com> wrote:
>> > Hello:
>> >
>> > The application I am working with runs on Oracle 8.1.6.00.
>> >
>> > I have seen several scripts which can tell me which object is locked
 by
>> > user. What would be more helpful would be:
>> >
>> > how can I tell which row is locked by a particular process?
>> >
>> > Does any one know how I can tell which row for an object is locked
 by
 which
>> > user?
>> >
>> > Any information you can provide will be greatly appreciated. Thanks.
>> >
>> > David Spaisman
>> >
>The v$session columns will contain rowid information only if the
>session is waiting on a locked row. The columns will be empty if the
>session is waiting on a resource.
>
>View v$lock will show all objects locked by a session, but there is no
>place in the SGA where Oracle keeps row level lock information for all
>row level locks held by the locking session. Oracle keeps row level
>lock information in the Oracle data block transaction work area so the
>only way to see if a row, which has no waiting sessions, is locked is
>to query it.
>
>--
>Mark D. Powell -- The only advice that counts is the advice that
> you follow so follow your own advice --
>
>
>Sent via Deja.com http://www.deja.com/
>Before you buy.
Received on Mon Dec 11 2000 - 15:46:58 CST