单项选择题
When tuning Automatic PGA Memory Management， which of the following views will provide the information specified？（）
A. The V$PGA_TARGET_ADVICE view shows the predicted cache hit-ratio improvement if you increase PGA_AGGREGATE_TARGET
B. The V$PGA_TARGET_ADVICE view shows how the V$SQL_WORKAREA histogram will change if you change the value of PGA_AGGREGATE_TARGET
C. The V$PGA_TARGET_ADVICE_HISTOGRAM view shows how the V$SQL_WORKAREA_HISTOGRAM will change if you switch between Manual and Automatic PGA Memory Management
D. The V$PGA_TARGET_ADVICE view shows how performance will improve for the different work areas if you switch from Manual to Automatic PGA Memory Management
相关考题
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多项选择题
AutomaticPGAMemoryManagementeliminatestheneedtomanuallyconfigurewhichofthefollowinginitializationparameters？（）
A. SORT_AREA_SIZE
B. HASH_AREA_SIZE
C. BITMAP_MERGE_AREA_SIZE
D. CREATE_BITMAP_AREA_SIZE
E. PGA_AGGREGATE_TARGET -
单项选择题
InOracle11g，bydefaultwhichoneofthefollowingconditionsimplicitlyenablesAutomaticPGAMemoryManagement？（）
A. Setting a nonzero value for SGA_TARGET
B. Configuring Automatic Shared Memory Management
C. Configuring Automatic Memory Management
D. Setting a nonzero value for SGA_MAX_SIZE and PGA_AGGREGATE_TARGET
E. None of the above -
单项选择题
You are managing an ASM instance. You previously issued the following statements: ALTER DISKGROUP dg1 DROP DISK disk2; ALTER DISKGROUP dg1 DROP DISK disk3; ALTER DISKGROUP dg1 DROP DISK disk5; You want to cancel the disk drops that are pending for the DG1 disk group. Which statement should you issue?（）
A. ALTER DISKGROUP dg1 UNDROP disk2, disk3, disk5;
B. ALTER DISKGROUP dg1 UNDROP;
C. ALTER DISKGROUP dg1 UNDROP DISKS;
D. You cannot cancel the pending disk drops.
