单选题Which Oracle background process frees SGA resources that were allocated to a user process that failed?()APMONBSMONCCKPTDLGWREARCn

单选题
Which Oracle background process frees SGA resources that were allocated to a user process that failed?()
A

PMON

B

SMON

C

CKPT

D

LGWR

E

ARCn


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