[askdba] Materialized views problem
- From: PV Narayanan <PNarayanan@xxxxxxxxxxxxxxxxxx>
- To: askdba@xxxxxxxxxxxxx
- Date: Sun, 10 Oct 2004 10:18:47 +0400
Hi,
We have a scenario as below. There is a remote database from which 2 views
to be accessed on local database.
Both these views are on oracle database. Out of this one view (STP_MAXIMO)
is from a table from another remote
oracle database. Another view (TRN_MAXIMO) is from a view from another
oracle database , which in turn is created through a query from a oracle
database and sql server.
We do not have any gateways on our local database
In order to access these remote objects in our local database ,oracle apps
, we have to create materialized views
as oracle apps does not fetch a LOV from forms for a view or synonym. It
has to be through a table or materialized view for remote connections.
The problem we face is, there is a lock on the TRN_MAXIMO materialized
view on local database.
As a result of this we are unable to refresh the materialized view nor are
we able to drop and recreate the same.
The one alternative is to shutdown the instance , which is not possible
for our environment until the weekend backup.
In the cirsumstance , how do I drop the MV and recreate without bouncing
the DB.
I have checked the background process id , this relates to the snp
process. Is it ok to kill this process and will it
release the lock on the MV.
Please provide a solution ASAP to this as this a critical production
database. We have checked with oracle and they have no answer other than
restarting the DB.
Thanks and best regards
P.V.Narayanan
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