While creating a duplicate database, you can exclude selected tablespaces from the duplicate database.
Procedure
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From the CommCell Browser, go to Client Computers > RAC client.
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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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Select the database, and then click the Recover All Selected button.
The Oracle Restore Options dialog box appears.
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Click RMAN Duplicate DB, and then click Next.
The Oracle RMAN Duplicate DB Options dialog box appears.
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On the General tab, select the Destination Client from the list.
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In the Duplicate To box, select the destination instance.
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Select Duplicate To. In the Pfile box, type the name of the startup parameter file for the duplicate database, or browse to the location.
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Click Advanced.
The Oracle Duplicate Options dialog box appears.
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On the Duplicate DB Options tab, select the Duplicate To Skip Tablespace check box, and then click Add.
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In the tablespaces box, select the tablespaces to exclude from the duplicate database, and then click OK.
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Click OK to close the Oracle Duplicate Options dialog box.
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Click OK to start the restore.