RE: Refresh multiple MV's in a single transaction

  • From: "Goulet, Richard" <Richard.Goulet@xxxxxxxxxxx>
  • To: <finn.oracledba@xxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 5 Nov 2008 16:00:07 -0500

Look into refresh groups.  You can have multiple MV's in a single
refresh group. Oracle(r) Database Advanced Replication, 3 Materialized
View Concepts and Architecture
 

Dick Goulet 
Senior Oracle DBA 
PAREXEL International 
978.313.3426 
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________________________________

From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Finn Jorgensen
Sent: Wednesday, November 05, 2008 3:51 PM
To: oracle-l
Subject: Refresh multiple MV's in a single transaction


Hello List.
 
Does anybody know of a way to refresh multiple MV's in a single
transaction? I have a bunch of MV's that users can join as they please
in Business Objects (please, hold the jokes) and it's a problem if they
join a MV that has been recently refreshed with one that hasn't been
refreshed yet.
 
At first I thought that was what dbms_refresh.refresh(refresh_group) was
doing, but it's not. It ensures the starting point is consistent for all
MV's in the refresh group, but does nothing for end user read
consistency.
Then I tested dbms_mview.refresh(MV) but that does an implicit commit so
I can't serialize the process.
 
Is there a way of doing what I want to do without writing the code
myself?
 
DB is 10.2.0.2.
 
Thanks,
Finn
 

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