【单项选择题】
You have the following requirements in relation to the detection of block corruption for your database instance：  <br /> Check for logical self-consistency of data blocks when modified in memory. <br /> Checksums are calculated before and after the block change. <br /> Checks are performed for the lost writes to the physical standby database.  <br /> Which method would help you perform the above checks automatically？（）<p> You have the following requirements in relation to the detection of block corruption for your database instance：  <br /> Check for logical self-consistency of 
A、A. Set the DB_SECUREFILE parameter to PERMITTED
B、B. Set the DB_ULTRA_SAFE parameter to DATA_ONLY
C、C. Set the DB_LOCK_CHECKSUM parameter to TYPICAL
D、D. Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL
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