多项选择题
Which two statements are true about Block Media Recovery （BMR）？（）
A. BMR increases the Mean Time To Recover （MTTR）.
B. BMR can only be implemented using Recovery Manager （RMAN）.
C. The blocks that need to be recovered are accessible during BMR.
D. BMR cannot be performed using cumulative incremental backups.
E. The datafile must be restored if most of the blocks in the datafile are corrupt.
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相关考题
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单项选择题
You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）
A. by using the DBMS_REPAIR package
B. by using the DB_BLOCK_CHECKING parameter
C. by using the DBVERIFY utility
D. will not be completely resolved until the hardware fault is corrected -
单项选择题
You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） Which file will you check to view additional information regarding the cause of this error？（）
A.the alert log file and the trace files
B. the redo log files
C. the control file
D. the change tracking file -
单项选择题
YouwanttorebuildafreelistinthefreelistsoftheEMPLOYEEtableintheScottschema.Whichpackagewillyouusetoaccomplishthis？（）
A. DBMS_REPAIR
B. DBMS_SCHDULER
C. DBMS_STATS
D. DBMS_RESOURCE_MANAGER
