You can extend the time that the software retains a SQL clone.
Procedure
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From the navigation pane, go to Protect > Databases.
The Instances page appears.
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On the Instant clones tab, select one or more clones that you want to extend, and then click Extend.
The Extend clone expiration date dialog box appears.
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Select the date and time that you want the clone to expire, and then click Set.
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Click Save.
 
Results
When the new time is reached, the system automatically shuts down the clone database and frees up all resources.