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

Cause : Backups are occurring too frequently on this file. Each time a new backup is started for a file, any writes which have been previously issued (but not completed) have to be re-issued. If hot backups are started very, very frequently, it is possible that some writes will be re-issued repeatedly and never complete.
Action : Increase the interval between begin hot-backup commands for this file.

Popularity: 8% [?]

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Cause : During online recovery, the block size specified in the control file did not match the block size contained in the redo log file.
Action : Restore the correct redo file from a backup or reset the online redo log files.

Popularity: 17% [?]

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Cause : A block header corruption or checksum error was detected on reading the control file.
Action : Use the CREATE CONTROLFILE or RECOVER DATABASE USING BACKUP CONTROLFILE command.

Popularity: 10% [?]

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