SNAPSHOT REFRESH PROBLEM

Hi
I am getting the following error when i try create the snapshot. I have created the snap log on that table. still I am getting this error.
ORA-12054: cannot set the ON COMMIT refresh attribute for the materialized view
pls help me how to solve this error.

Christy,
What version of oracle are you running at the master and snapshot sites? Are you creating snapshots or materialized views?
Bev

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Snapshot Refresh taking More Time

Dear All,
We are facing a Snapshot refresh problem currently in Production Environment.
Oracle Version : Oracle8i Enterprise Edition Release 8.1.6.1.0
Currently we have created a Snapshot on a Join with 2 remote tables using Synonyms.
ex:
CREATE SNAPSHOT XYZ REFRESH COMPLETE WITH ROWID
AS
SELECT a.* FROM SYN1 a, SYN2 b
Where b.ACCT_NO=a.ACCT_NO;
We have created a Index on the above Snapshot XYZ.
Create index XYZ_IDX1 on XYZ (ACCT_NO);
a. The Explain plan of the above query shows the Index Scan on SYN1.
If we query above Select Statement,it hardly takes 2 seconds to exedute.
b. But the Complete Refresh of Snapshot XYZ is almost taking 20 Mins for just truncating and inserting 500 records and is generating huge Disk Reads as SYN1 in remote table consists of 32 Million records whereas SYN2 contains only 500 Records.
If we truncate and insert inot a table as performed by the Complete refresh of Snapshot,it hardly takes 4 Seconds to refresh the table.
Please let me know what might be the possible reasons for the Complete refresh of Snapshot taking more time.

Dear All,
While refreshing the Snapshot XYZ,I could find the following.
a. Sort/Merge operation was performed while inserting the data into Snapshot.
INSERT /*+ APPEND */ INTO "XYZ"
SELECT a.* FROM SYN1 a, SYN2 b Where b.ACCT_NO=a.ACCT_NO;
The above operation performed huge disk reads.
b. By Changing the session parameter sort_area_size ,the time decreased by 50% but still the disk reads are huge.
I would like to know why Sort/Merge Operation is performed in the above Insert?
Edited by: Prashanth Deshmukh on Mar 13, 2009 10:54 AM
Edited by: Prashanth Deshmukh on Mar 13, 2009 10:55 AM

How to track Snapshot refresh error

Hi
I have a procedure which is doing the below transaction one after one:
1- Refresh snapshot Snap1
2- track snapshot refresh status If Ok do step 3 if not exit
2- Insert agregate data from snapshot Snap1 to table
3- Track insertion status if Ok proceed on next steps if not exit
3- commit
To refresh the snapshot here is the syntaxe i want to use.
DBMS_SNAPSHOT.refresh('Snap1','F');
If refresh ok then
insert into T1 select ..... from Snap1;
commit;
end if;
Thank you.

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Snapshot refresh interval

Hi,
I would like to know how to create a snapshot refresh group that would refresh the snapshot daily between 0800 hrs to 1700 hrs.
Appreciate any inputs.
Thanks & Kind Regards,
Zaid

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When a job fails, the error should be written to the alert log.
When a job fails, it will be rescheduled with an increasing delay (1 sec, 2 sec, 4 sec, 8 sec, ...) for 16 times. If it fails 16 times in a row, the job is marked as broken.
You can use the DBMS_JOB.BROKEN method to indicate that a job is no longer broken. You generally want to fix the underlying problem first, though.
Justin

UNDO SPACE DURING SNAPSHOT REFRESH

Hi All,
I am seeing a weird issue with mu undo space in oracle 10g 10.2.0.3.
Problem is ....
I am doing a complete snapshot refresh from a remote database to source database. When I do this the snapshot refresh is consuming my all undo, I can see this by executing
select distinct segment_name,sum(bytes)/1024/1024/1024 from dba_segments where tablespace_name='UNDO_TBS' group by segment_name;
SEGMENT_NAME SUM(BYTES)
_SYSSMU16$ 39.931324
My total undo space is 40GB
Why the snapshot refresh is consuming all the undo. Any idea? Appreciate your help.

Hi,
You can use the undocumented parameter "_mav_refresh_consistent_read" - refresh materialized views using consistent read snapshot (it will reduced the undo log issues).
The Basic problem is "ATOMIC_REFRESH" is true or enable. try to make it false and check
ATOMIC_REFRESH=>false
Example :- execute DBMS_MVIEW.REFRESH(''view_name,'C’,ATOMIC_REFRESH=>false);
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Animated gif and page refresh problem

Animated gif and page refresh problem
Hi There,
I'm trying to build a simple "Please wait......" screen using jsp and javascript.
So far all is going well except that my animatate gif keeps refreshing everything the page is refresh.
Is there a way the i can prevent the body of the page from refreshing?
below is my sample code:
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<head>
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Animated gif and page refresh problem
Hi There,
I'm trying to build a simple "Please wait......" screen using jsp and javascript.
So far all is going well except that my animatate gif keeps refreshing everything the page is refresh.
Is there a way the i can prevent the body of the page from refreshing?
below is my sample code:
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<jsp:useBean id="StatusBean" class="com1.CandidateRelease" scope="session"/>
<html>
<script LANGUAGE="JavaScript">
function refresh()
<% if (StatusBean.isRunning()) { %>
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<% }else{%>
     window.location= "busStopAdmin.jsf";
<%} %>
</script>
<head>
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I have multiple users experiencing severe refresh problems after upgrading to smartview version 11.1.2.1.102.
Users state Refresh is taking 10-15mins+ when in old version 9x it only takes 1-2mins. In addition users have rebuilt the excel files (copy in new workbook) then all is working fine but when saved/the next day the refresh goes very slow again!
Please can any help?

1. Deleting the Sheet Info fixes the problem for the moment - but the problem soon returns. Do you know what causes the problem, so we can cut the repeating cycle? Is this strictly a multi-user issue? We do have several users that may use the file. Some have version 11.1.2.1.000 (not 103). Oracle's tips doc (http://www.oracle.com/technetwork/middleware/bi-foundation/epm-tips-issues-73-102-1612164.pdf) mentions uncompressed metadata stored in the worksheet.
2. Is there a specific version that allows the Sheet Info fix? Oracle's tip sheet says they need Some have version 11.1.2.1.103, but the users we have seen so far can use this workaround on Some have version 11.1.2.1.000. I'd like to know when at what version this fix starts so I can push other users to update. It would be good to know at which version this issue starts.
Thank you - great information in the thread!
P.S. for reference:
From http://www.oracle.com/technetwork/middleware/bi-foundation/epm-tips-issues-73-102-1612164.pdf
In EPM System Release 11.1.2.1, I am opening .xls files with Smart View functions in Excel 2010, but it’s very slow or seems to freeze Excel. How can I fix this?
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If you are using Smart View 11.1.2.1.103 or above, follow these steps:
1 Open the file (this may take a while) with Smart View enabled.
2 From the Smart View Ribbon, select Sheet Info.
3 Select Delete Smart View Info.
4 Select Workbook and all Sheet Info.
174 Miscellaneous and Product-Specific Tips
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5 Save the workbook.
6 Open the new workbook.
7 Refresh the data.

Snapshot Refresh

Hi.,
I am facing following error on during the snapshot refresh at 8i
ORA-04052: error occurred when looking up remote object [email protected]
ORA-00604: error occurred at recursive SQL level 2
ORA-02085: database link RT.PRDU connects to RT
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 617
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 674
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 654
ORA-06512: at line 1
Provide me the suitable solution.
Thanks in advance.

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Action: Create a database link with the same name as the database to which it connects.
What's the name of the dblink ?
Nicolas.
Message was edited by:
N. Gasparotto

Screen refresh problem where data is entered and the screen doesn't refresh

Many people in the company are experiencing the odd screen refresh problem where data is entered and the screen doesn't refresh to show the updated result in corresponding cell formulas.
Microsoft have issued a hotfix to fix the issue for Excel 2003 as shown. Microsoft released a hotfix for this problem (<a href="advisory?ID=978908">KB978908</a>). Display memory tends to pick up data from hidden sheets and pastes it
into the active screen. No impact on the file. This occurs when protecting and unprotecting worksheets in VBA. I also suspect that enabling and disabling screen refresh contributes to this problem. In any case there is a fix, albeit with the following disclaimer:
As of yet I have not been able to find a fix for this for office 2010 and 2013, Any suggestions would be great.

Hi,
Based on your description, Excel does not show the text strings when you typing. It may be caused by the cell format, if we set the cell format as ";;;" in custom format, it will not display the text that you typed.
And the issue may be caused by the third-party input method, there are some compatibility issue between them.
If the issue still exits, please try the following methods
Verify/install the latest updates
Repair your Office program
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George Zhao
TechNet Community Support

Container (JPanel) refresh problem

Hello,
In fact i have a panel (mainPanel) with a button OK, a another panel which display a specific MyJTable and combo box.
In fact, when I clic OK Button, i want to charge my MyJTable with data depends on comboBox.
First, i display a empty white panel and when i clic Ok i want to display my MyJTable.
JPanel mainPanel = new JPanel();
JPanel emptyPanel = new JPanel();
JPanel combo = new JComboBox();
JButton okButton = new JButton();
MyJTable myJTable;
mainPanel.add(emptyPanel);
mainPanel.add(combo);
mainPanel.add(okButton);I have a refresh problem, i try mainPanel.remove(emptyPanel) and thus mainPanel.add(myJTable), the remove works but the add no :(
In ActionPerformed method when okButton:
myJTable = new myJTable(combo);
mainPanel.remove(emptyPanel);
mainPanel.add(myJTable);
mainPanel.repaint();Thanks for yu help!!

Hi,
have you tried playing with
mainPanel.revalidate();
mainPanel.revalidate();??
Might help
Phil

Screen refresh problem with Windows 7

Hello all,
I've recently begun testing Oracle with Windows 7 on a new HP 2540p notebook computer. I've encountered a very strange issue so far. After logging into Oracle, and Windows switches to Windows Basic theme, I should be taken to the main Navigator screen. But instead, the screen is simply white. If I drag (or nudge) the title bar just a bit, the screen refreshes and I can see the menu items. Then if I click on something (or even use hotkeys - ALT+F to get the file menu, for example), I don't see anything happen. But if I move the window just a bit, the screen refreshes and I can see that it did actually take my input, it just didn't re-draw the screen. I'm wondering if this may be a graphics driver issue (I do have the latest driver for the Intel Graphics Media Accelerator HD adapter), or if someone could point me toward a resolution to this problem. Any help is much appreciated.

Dear All,
Same problem of REFRESH PROBLEM also faced by but only a single and specific Windows 7 client.
if you have resolved the issue , so please share with us.
Thanks
Eidy

Datagrid refresh problem?

fileListArray.refresh();
dg_curtainmanager.invalidateList();
dg_curtainmanager.invalidateDisplayList();
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<mx:DataGridColumn headerText="Parent Folder" sortable="true" editable="false"   width="250" minWidth="65" wordWrap="true" >
                        <mx:itemRenderer>
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                                <mx:HBox width="100%"
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@welcomecan,
What refresh problem you are facing.. in DataGrid? When you change your DataProvider for your grid the values are not being changed or somethingelse..??
Please always be clear in explaining your problem in order to get it resolved..
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ORA-12008: error in snapshot refresh path

I am getting this error even i am specifying to use other rollback segment
ALTER ROLLBACK SEGMENT R02 SHRINK;
SET TRANSACTION USE ROLLBACK SEGMENT R02;
alter materialized view PAY_REV_BREAKUPWITHWOFF NOLOGGING;
BEGIN dbms_mview.refresh('PAY_REV_BREAKUPWITHWOFF') ; END;
ERROR at line 1:
ORA-12008: error in snapshot refresh path
ORA-01562: failed to extend rollback segment number 1
ORA-01628: max # extents (505) reached for rollback segment SYS_RBS
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 617
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 674
ORA-06512: at "SYS.DBMS_SNAPSHOT", line 654
ORA-06512: at line 1

The reason why it's still using SYS_RBS seems to be that since you are refreshing a materialized view, it might be doing parallel DMLs. In this case the clause of specifying a particular rollback segment is ignored.
In addition to the above, try taking the rollback segment offline by executing
alter rollback segment SYS_RBS offline;
and then drop it by running
drop rollback segment SYS_RBS;
Then create new one and see if it works.
if the above mentioned doesn't work somehow...
try to change the extents storage parameter by running
alter rollback segment sys_rbs storage (MAXEXTENTS 1000);
Can't be sure as i currently don't have access to my system
Hope this helps
Message was edited by:
thrilller

Forms Refresh Problem on The Web??

i have a form coded in 6i. in this form i have around 20 buttons one below another and each of the button has a stacked view associated with it. whenever i click on a button i am opening the relative stacked view on th content canvas and repositioning the rest of the bottons and views by moving them down.
Now the problem is it works fine in client-server, but when i run it on the web, when i try to open any of the buttons the screen scrolls automatically to the top. I also noticed that if i wait for a few seconds(or sometimes minutes) the form takes me to the correct position. i think there is some refresh problem. i tried Syncronize also but to no use.
i would appreciate If someone can help me out on this ASAP. (thanks for the patience in reading this long mail!!)

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