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单项选择题 Which statements about the MEMORY_TARGET initialization parameter are true?（） (Choose all that apply.)

A、MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zero

B、MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set

C、MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.

D、MEMORY_TARGET is static and cannot be modified without shutting down the instance

  • A

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