Youissuethefollowingstatement：SQL>SELECTFIRSTNAME，LASTNAMEFROMHR.EMPLOYEE；Youreceivethefollowingerror：01578：ORACLEdatablockcorrupted（file6，block54）ORA-01110：datafile6：’u01/oracle/oradata/data1.dbf’Howwillyouresolvethisproblemofdatablockcorruptionbyreducin

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Youissuethefollowingstatement：SQL>SELECTFIRSTNAME，LASTNAMEFROMHR.EMPLOYEE；Youreceivethefollowingerror：01578：ORACLEdatablockcorrupted（file6，block54）ORA-01110：datafile6：’u01/oracle/oradata/data1.dbf’Howwillyouresolvethisproblemofdatablockcorruptionbyreducingthemeantimetorecover（MTTR）？（）

A.byusingtheDBMS_REPAIRpackage

B.byusingtheDBVERIFYutility

C.byusingBlockMediaRecovery

D.byissuingtheANALYZETABLEHR.EMPLOYEESVALIDATESTRUCTUREcommand

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Youissuethefollowingstatement:SQL>SELECTFIRSTNAME,LASTNAMEFROMHR.EMPLOYEE;Youreceivethe

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