單項(xiàng)選擇題

View Exhibit1 and Exhibit2 to examine the current memory allocation and parameter settings，respectively.

Why are advisors not available for the shared pool and the buffer cache()

A.because the DB_CACHE_ADVICE parameter is set to OFF
B.because Automatic Memory Management （AMM） is disabled for the database instance
C.because Automatic Shared Memory Management （ASMM） is enabled for the database instance
D.because the values for the DB_CACHE_SIZE and SHARED_POOL_SIZE parameters were not setinitially

你可能感興趣的試題

單項(xiàng)選擇題

View the Exhibit to examine the output produced by the following query at three different times sincethe database instance started and has experienced workloads of different capacities：
SQL> SELECT substr（component， 0， 10） COMP， current_size CS，user_specified_size USFROM v$memory_dynamic_componentsWHERE current_size!=0；
What do you infer from this（）

A.The database instance is running with manual PGA management.
B.The database instance is running with manual shared memory management.
C.The database instance has the MEMORY_TARGET value set to a nonzero value.
D.All sessions are connected to the database instance in dedicated mode， and no RMAN or parallelquery operations have been performed.

單項(xiàng)選擇題

Automatic Shared Memory Management （ASMM） has been enabled for your database instance.
Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM， you executed the following command： SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M；
Which statement is true in this scenario（）

A.The minimum memory size for the database buffer cache is set to 100 mb.
B.The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb
C.The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.
D.The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb

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View Exhibit1 and Exhibit2 to examine the current memory allocation and parameter settings，respectively. Why are advisors not available for the shared pool and the buffer cache()

你可能感興趣的試題

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View Exhibit1 and Exhibit2 to examine the current memory allocation and parameter settings，respectively.

Why are advisors not available for the shared pool and the buffer cache()