Which two statements are true about setting the FAST_START_MTTR_TARGET initialization parameter to anonzero value（）
A. The MTTR advisor will be disabled.
B. Automatic checkpoint tuning will be enabled.
C. The value for the LOG_CHECKPOINT_INTERVAL initialization parameter will be override the value forFAST_START_MTTR_TARGE
D. The time taken to recover the instance after the crash is always exactly the same as the value given for theinitialization parameter.
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