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Question 91

Your database has been running with a peak load for the past hour. You want to preserve the performance statistics collected during this period for comparison when you analyze the performance of the database later.
What must you do to achieve this?

A.Set the snapshot retention period in AWR to60to avoid automatic purging of snapshots for the past hour.
B.Create a baseline on a pair of snapshots that span the peak load period.
C.Increase the window size of the moving window baseline so that it equals the Automatic
Workload Repository (AWR) snapshot retention period.
D.Generate Active Session History reports forthe peak load period.

Question 92

Which three operations can be performed as multipartition operations in Oracle?

A.Merge partitions of a list partitioned table
B.Drop partitions of a list partitioned table
C.Coalesce partitions of a hash-partitioned global index.
D.Move partitions of a range-partitioned table
E.Rename partitions of a range partitioned table
F.Merge partitions of a reference partitioned index

Question 93

Which three tools or tasks are run by default as part automated maintenance tasks?
(Choose three.)

A.Optimizer statistics gathering
B.SQL Access Advisor
C.Automatic SQL Tuning Advisor
D.Automatic Database Diagnostic Monitor
E.Segment Advisor

Question 94

You execute this command:

Which two statements are true about segment space management for segments in this tablespace?
(Choose two.)

A.Space utilization inside segments is mapped by bitmaps.
B.The PCTFREEstorage parameter has no effect on segments created in this tablespace.
C.Segments are automatically shrunk and compressed when rows are deleted.
D.The PCTUSEDstorage parameter has no effect on segments created in this tablespace.

Question 95

You want to create a table, DAILY_ORDERS, for an OLTP application, where data should be compressed during both direct path INSERT and conventional DML. The table will also be used for queries.
Which compression option should be used?

A.COLUMN STORE COMPRESS FOR ARCHIVE LOW
B.COLUMN STORE COMPRESS FOR QUERY
C.ROW STORE COMPRESS
D.ROW STORE COMPRESS ADVANCED