63. Examine the values for the following initialization parameters:
FAST_START_MTTR_TARGET = 0
LOG_CHECKPOINT_INTERVAL = 0
Which two will be the implications of these values in your database? (Choose two.)
A.The SGA advisor will be disabled.
B.The MTTR advisor will be enabled.
C.Automatic checkpoint tuning will be disabled.
D.Checkpoint information will not be written to the alert log file.
Answer: BC
答案解析:
此题的答案有误。
Enabling MTTR Advisor
To enable MTTR Advisor, set the two initialization parameters STATISTICS_LEVEL
and FAST_START_MTTR_TARGET
.
STATISTICS_LEVEL
governs whether all advisors are enabled and is not specific to MTTR Advisor. Ensure that it is set to TYPICAL
or ALL
. Then, whenFAST_START_MTTR_TARGET
is set to a nonzero value, the MTTR Advisor is enabled
FAST_START_MTTR_TARGET
为0是禁用的,故本题的B是错误的,图中的B的正确的。为C也是正确的。
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