单项选择题
View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management （ASM）.
Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size？（）
A. Because the FRA disk group will not support dynamic rebalancing
B. Because the FRA disk group is not configured to support mirroring
C. Because disks in the FRA disk group are not formatted at this stage
D. Because the FRA disk group will support only a single size of allocation unit
相关考题
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单项选择题
In your production database， users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason， you realize that another user executed the TRUNCATE TABLE command， which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas. Which method must you use to recover the lost data？（）
A. Complete Recovery with online redo log
B. Complete Recovery with archived redo log
C. Tablespace Point-in-Time Recovery （TSPITR）
D. Incomplete Recovery with system change number （SCN） -
多项选择题
WhichthreefunctionsareperformedbytheSQLTuningAdvisor？（）
A. Building the SQL profile
B. Recommending optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap， function-based， and B-tree indexes
E. Recommending restructuring SQL queries that are using bad plans -
单项选择题
YouwanttoenableautomaticPGAmemorymanagementinyourdatabase.Whichsettingisrequiredtoachievethis？（）
A. Set MEMORY_TARGET to zero
B. Set the STATISTICS_LEVEL parameter to BASIC
C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL
D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value
