（单选题）
You can control instance recover performance by setting parameters to define targets for（）
AThe size of the redo buffer in SGA.
BThe instance that will perform recovery in Real Application Cluster database.
CThe number of blocks to be read during instance recovery, or the time needed to complete instance recovery.
DThe number of passes through the redo logs made by the recovery process to identify blocks needing recovery.
正确答案
答案解析
略
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