In order to exploit some new storage tiers that have been provisioned by a storage administrator, the partitions of a large heap table must be moved to other
tablespaces in your Oracle 12c database?
Both local and global partitioned B-tree Indexes are defined on the table.
A high volume of transactions access the table during the day and a medium volume of transactions access it at night and during weekends.
Minimal disruption to availability is required.
Which three statements are true about this requirement? (Choose three.)
A. The partitions can be moved online to new tablespaces.
B. Global indexes must be rebuilt manually after moving the partitions.
C. The partitions can be compressed in the same tablespaces.
D. The partitions can be compressed in the new tablespaces.
E. Local indexes must be rebuilt manually after moving the partitions.
Correct Answer: ACD
QUESTION 2
You notice that the performance of your production 24/7 Oracle 12c database significantly degraded. Sometimes you are not able to connect to the instance
because it hangs. You do not want to restart the database instance.
How can you detect the cause of the degraded performance?
A. Enable Memory Access Mode, which reads performance data from SGA.
B. Use emergency monitoring to fetch data directly from SGA analysis.
C. Run Automatic Database Diagnostic Monitor (ADDM) to fetch information from the latest Automatic Workload Repository (AWR) snapshots.
D. Use Active Session History (ASH) data and hang analysis in regular performance monitoring.
E. Run ADDM in diagnostic mode.
Correct Answer: B
QUESTION 3
In your multitenant container database (CDB) containing pluggable databases (PDB), users complain about performance degradation.
How does real-time Automatic Database Diagnostic Monitor (ADDM) check performance degradation and provide solutions?
A. It collects data from SGA and compares it with a preserved snapshot.
B. It collects data from SGA, analyzes it, and provides a report.
C. It collects data from SGA and compares it with the latest snapshot.
D. It collects data from both SGA and PGA, analyzes it, and provides a report.
Correct Answer: B
TO BE CONTINUE
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