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多項選擇題

You set the value of the SGA_TARGET initialization parameter to 1G to enable Oracle to automatically resize most of the memory components according to the current workload in the database. You issue the following statement：  
SQL> SELECT name， value， isdefault  2 FROM v$parameter  
3 WHERE name LIKE ’%size%’；  
The output of this statement displays that the DB_CACHE_SIZE， SHARED_POOL_SIZE， 
LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters contain a zero value.  What does this imply？（）

A. The SGA_TARGET initialization parameter cannot be set to a value less than 1G
B. The SGA_TARGET initialization parameter cannot be set to a value greater than 1G
C. The Memory Advisor of the Oracle Enterprise Manager 10g cannot be used to obtain advice on the important memory components of the SGA
D. The values of the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters cannot be set manually.
E. No minimum limits are imposed on the DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and  JAVA_POOL_SIZE initialization parameters.
F. The Automatic Shared Memory Management feature cannot be disabled unless you specify values for the  DB_CACHE_SIZE， SHARED_POOL_SIZE， LARGE_POOL_SIZE， and JAVA_POOL_SIZE initialization parameters in the initialization parameter file.

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