Which three statements are true about Exadata Snapshots on the Exadata Database Service? (Choose three.)
A.
Exadata Snapshots utilize the Exadata SPARSE disk group to store the sparse files that contain all the data that is read and written by the Snapshots.
B.
Exadata Snapshots are unable to utilize all the Exadata features.
C.
Exadata Snapshots utilize the Exadata SPARSE disk group to store the sparse files that contain only changed blocks.
D.
Multiple users can create independent Exadata Snapshots from the same test master, which is a full Read-Only clone of the source database.
E.
Before creating Exadata Snapshots from the test master, you can modify the data in the test master, if required.
B is correct -
While Exadata snapshots offer space-efficient cloning for development and testing, certain Exadata features are not fully supported or available on these snapshot clones. Specifically, features like Smart Scan, Smart Flash Cache, and Smart Logging, which rely on Exadata storage server offloading, are not accessible in the snapshot environment.
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