Ora-12008 Error In Materialized View Refresh Path In 10g

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If you see error ora-12008 on your way to upgrade your materialized view to 10g, this blog post might help you. g.These ORA-12008 errors are related to reading SNAP $ _ table rows from MVIEW $ _, which is the main family table view (the master may be at a remote IT support site). Any error in this path will surely cause this error during the upgrade. For quick updates in the table are provided.

This error is somewhat at odds with the fact that snapshots, such as reading master tables, are prevented when snapshots are taken. Possible reasons: Columns have been added around the main table: in most cases, you will know who did this, in addition to notifying the DBA.

First of all, many thanks for your excellent contributions to various Oracle topics.

1. I understand that this type of error occurs on long requests (when canceling the type of rollback segment being accessed). But why does this error occur when updating materialized clock (long runtime)?

2. I asked the question above because many of us set Undo_Retention to 23000 in addition to the 7GB undo tablespace size

as in the link below, but you still get this error (a snapshot of the old error):

What happens when materialized view is refreshed?

UPDATING THE MATERIALIZED VIEW completely replaces the content of the materialized perspective. To run this command, you must actually own this materialized view. Old content has indeed been scrapped.

*
ERROR line 1:
ORA-12008: Error returned in update path of materialized view
ORA-01555: Snapshot too old: rollback class number 2 named “_SYSSMU2 $”
too smallNice
ORA-02063: last line OPRD.DSTB.NET
ORA-06512: to “SYS.DBMS_SNAPSHOT”, series 2537
ORA-06512: to “SYS.DBMS_SNAPSHOT”, line 2743
ORA-06512: from “SYS.DBMS_SNAPSHOT”, line 2712
ORA-06512: line number 1

Do I need to increase Undo_Retention and unnecessary tablespace size?

1) because a long update will result in a long full query.

ora-12008 error in materialized view refresh path in 10g

2), so either the rollback time must be too low (news takes more than ~ 6 hours?) if the renewal expires as well? Look in v $ undostat)

How do I fix an ORA error?

Correct the condition that caused the actual unhandled error.Write an exception handler when this unhandled error occurs.Contact your database administrator for assistance.

You must decide if the length of the cancellation is long enough (6 is long enough?)
ora-12008 error in materialized view refresh path in 10g

Database: 11g Release 2
Error code: ORA-12008
Description: Error regarding the update path of the materialized view
Reason: SNAP table $ _ is reading series from MVIEW $ _ , this is a functional view of the main table (the main view can be at a remote location). Any error in the path will now result in this update error. The .MLOG $ _ table is also used for efficient updates.
Action: Examine other messages on the stack to find the problem. Check if SNAP devices match $ _ , MVIEW $ _ , . @ , .MLOG $ _ @ still exist.

Database: 10g Release 1
Error code: ORA-12008
Description: Error in the update path of materialized view
Cause: SNAP table $ _ is reading MVIEW $ _ <. away from the mview_name> lines this is the correct view of the master table (the swarm may be in a remote location). Any error in the path will result in this update skill error. The .MLOG $ _ table is also used for instant updates.
Action: Examine other messages on the stack to find the problem. Check if the entities are SNAP $ _ , MVIEW $ _ , . @ , .MLOG $ _ @ still exist.

How do you solve ORA 12008?

To fix the error, edit the session settings as tracks. Change session set nls_territory = ”; Or if your mview is using you see INDEX and then rebuild that index even if it follows. Then refresh mview again.

Database: 10g Release 2
Error code: ORA-12008
Description: Error in the path to the update materialized view
Reason: Tablesand SNAP $ _ reads the series from the MVIEW $ _ , that is, almost all views in the main table (Comprehend can be in a remote location). Any error in the path specified here will cause an error during upgrade. The .MLOG $ _ table is also used for quick updates.
Action: Examine other messages on the stack to find the problem. Check if SNAP assignments match $ _ , MVIEW $ _ , . @ , .MLOG $ _ @ still exist.

Database: 11g Release 1
Error code: ORA-12008
Description: Error in all update paths of materialized view
Reason: SNAP table $ _ is reading MVIEW view $ _ , this is the best view of the main table (might work in a remote location). Each error in the path results in which error in the update. The .MLOG $ _ table is also used for quick updates.
Action: Examine other messages on the stack – look for the problem. Check if there is physical SNAP $ _ , MVIEW $ _ , . @ , .MLOG $ _ @ are still available. 12c < / p>

How manually refresh materialized view in Oracle 10g?

Define initialization parameters and access the database.Create a coffee table with a materialized look.Generate optimization statistics and restart the materialized view.Test the materialized view.Create MATERIALIZ Magazines FrequentlyED VIEW MVIEW.Perform any full update manually.

Database: version 1
Error code: ORA-12008
Description: Error in refresh path of materialized view
Reason: SNAP table $ _ is reading rows from MVIEW $ _ , this is the perfect view of the main table (it can be run remotely). Any error in the path results in this indication error during the update. The .MLOG $ _ table is also used for prompt updates.
Action: Examine other messages on the stack that show the problem. Make sure SNAP $ _ , MVIEW $ _ , . @ , .MLOG $ _ @ still exist.

Database: 12c Release 2
Error code: ORA-12008
Description: Error finding materialized update path
Reason: SNAP table $ _ is reading rows from MVIEW $ _ view is any view of the main table (the understanding can be deleted). Any error in the path will lead to this error. ka update. The .MLOG $ _ master table is also used for high performance updates.
Action: Examine other messages on the stack to actually find the problem. Make sure SNAP items are $ _ , MVIEW $ _ , mower . master @ dblink , mower .MLOG $ _ master @ dblink still exists …

Database: 18c, version 1
Error code: ORA-12008
Description: Error in refresh path of materialized view or zone map
Cause: SNAP $ _ table reads rows from MVIEW $ _ and represents a view of the main workplace (the master may be in a rural area). Any error in the path can cause this update to fail. The .MLOG $ _master table is also used for quick updates.
Action: Examine other messages on the stack to find the problem. Always look at SNAP $ _ , MVIEW $ _ , [email protected] , [email protected] objects.

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Database: 19c, version 1
Error code: ORA-12008
Description: О A flex in the path to the refresh table of materialized view or zone map
Reason: Read SNAP $ _ of the MVIEW visit string $ _ , this is a view of our main table (the wizard could be for the remote site). Any failure of intent will cause this failure during the promotion. .MLOG $ _master is also used for quick updates.
Action: Examine the other stack using messages to find the underlying problem. Check if there are more SNAP objects $ _ , MVIEW $ _ , [email protected] , [email protected] .