单项选择题
You want to check the EMP table in the user, Scott’s schema for block corruption. You also want to fix the corrupted blocks, if any. How will you accomplish the required task?()
A.by using the ANALYZE utility
B.by using the DBVERIFY utility
C.by using the DB_BLOCK_CHECKING parameter
D.by using the DBMS_REPAIR package
相关考题
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单项选择题
YouareusingtheDBVERIFYutilitytocheckthedatafilesforanyblockcorruption.Youwanttowritetheoutputofthedbvcommandtoafilenottothescreen.WhichparameteroftheDBVERIFYutilitywillyouuse?()
A. FILE
B. PARFILE
C. LOGFILE
D. FEEDBACK -
单项选择题
While working on the database, you receive the following error: 01578: ORACLE data block corrupted (file# 6, block # 54) ORA-01110 : data file 6: ’u01/oracle/oradata/data1.dbf’ You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery?()
A. Block Media Recovery must be used with RMAN.
B. You must perform complete recovery of individual blocks.
C. You must have a full RMAN backup, not an incremental backup.
D. You must use the DBVERIFY utility before using the Block Media Recovery feature. -
单项选择题
You executed the following code: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will be the result of executing the above code?()
A. The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks, if any, recorded in the view.
B. The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.
C. The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.
D. The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.
