The Database Identifier (DBID) is an internal, uniquely generated number that distinguishes the target database from the rest of the databases that have the same name in the recovery catalog. Oracle creates this number automatically when you create the database. The DBID is set while restoring the control file to differentiate the database for which the control file is restored.
Use the following steps to set the DBID:
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From the CommCell Browser, go to Client Computers > client > Oracle.
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Right-click the instance, then go to All Tasks > Browse and Restore.
The Browse and Restore Options dialog box appears.
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Select Latest Backup, and then click the View Content button.
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Optional: Use non-default browse and restore options. For more information, see Browse and Restore.
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Select the database, and then click the Recover All Selected button.
The Oracle Restore Options dialog box appears.
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Select the option for the type of restore operation, and then click Next.
An Oracle restore options dialog box appears.
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Click Advanced.
The Advanced Restore Options dialog box appears.
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On the Options tab, select the Set DBID check box.
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Click OK.
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Click OK.