单选题As shown in the diagram, in-memory statistics are transferred to the disk at regular intervals. Which background process performs this activity?（）ACKPTBSMONCMMONDDBWR
单选题
As shown in the diagram, in-memory statistics are transferred to the disk at regular intervals. Which background process performs this activity?（）
A
CKPT
B
SMON
C
MMON
D
DBWR
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解析：
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