Find Oracle Error Code Ora- and Pl/SQL Tips and Tricks

Cause : The log given to recovery is a backup of the online version from the time it was the current log. The archived version of the log would not be marked as end of thread. This error can also be caused by failing to list the current log of an enabled thread in a CREATE CONTROLFILE command.
Action : Find the archived version of the log and supply its name. If this is media recovery immediately following a CREATE CONTROLFILE, be sure the current log for this thread was included.

Popularity: 11% [?]

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Cause : The control file change sequence number in the log file is greater than the number in the control file. This implies that the wrong control file is being used. Note that repeatedly causing this error can make it stop happening without correcting the real problem. Every attempt to open the database will advance the control file change sequence number until it is great enough.
Action : Use the current control file or do backup control file recovery to make the control file current. Be sure to follow all restrictions on doing a backup control file recovery.

Popularity: 14% [?]

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Cause : The maximum number of redo log files has been exceeded. There is a limit, set at database creation, on the number of redo log files (typically 16).
Action : Use the CREATE CONTROLFILE command with a larger value for MAXLOGFILES.

Popularity: 8% [?]

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Cause : The redo log file and control file are out of sync because a non-current control file was specified when the instance was started.
Action : Retry the RECOVER command using the current control file, or retry the RECOVER command using the USING BACKUP CONTROLFILE clause.

Popularity: 14% [?]

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Cause : Attempting to invoke cfileSetSnapshotName, cfileMakeAndUseSnapshot, or cfileUseSnapshot when the currently mounted control file is a backup control file.
Action : Mount a current control file and retry the operation.

Popularity: 9% [?]

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Cause : Concurrent update activity on a control file caused a query on a control file fixed table to read inconsistent information.
Action : Retry the operation.

Popularity: 10% [?]

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Cause : A snapshot or copy control file of the specified name could not be found or opened during an invocation of cfileUseSnapshot, cfileMakeAndUseSnapshot, or cfileUseCopy.
Action : Re-create the snapshot or copy control file using cfileMakeAndUseSnapshot or ALTER DATABASE BACKUP CONTROLFILE, respectively.

Popularity: 16% [?]

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Cause : The attempted operation cannot be executed at this time because another process currently holds the snapshot control file enqueue.
Action : Retry the operation after the concurrent operation that is holding the snapshot control file enqueue terminates.

Popularity: 9% [?]

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Cause : The attempted operation cannot be executed at this time because this process currently holds the snapshot control file enqueue.
Action : Retry the operation after calling cfileUseCurrent to release the snapshot control file enqueue.

Popularity: 8% [?]

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Cause : The specified file name, which was supplied as a parameter to cfileSetSnapshotName or cfileUseCopy, exceeds the maximum file name length for this operating system.
Action : Retry the operation with a shorter file name.

Popularity: 8% [?]

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