單項選擇題

The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

A.The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.
B.DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.
C.The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.
D.The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.
E.The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent

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單項選擇題

The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use？（）

A.the DBNEWID utility
B.the ANALYZE command
C.the RMAN LIST command
D.the RMAN REPORT command
E.the RMAN CROSSCHECK command
F.the RMAN BLOCKRECOVER command

單項選擇題

There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database？（）

A.the DBNEWID utility
B.the DBVERIFY utility
C.the ANALYZE command
D.the RMAN REPORT command
E.the RMAN CROSSCHECK command
F.the CHECK_OBJECT procedure of the DBMS_REPAIR package

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The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

你可能感興趣的試題

The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use？（）

There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database？（）

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The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use？（）