單項(xiàng)選擇題

View the Exhibit and examine the characteristics of the USERS tablespace.

You observe that a large volume of inserts and deletes are happening on the TRANS table in the USERS tablespace and you suspect that the TRANS table is fragmented.
Which advisory component would you refer to， in order to find information about table fragmentation？（）

A.Memory Advisor
B.Segment Advisor
C.SQL Tuning Advisor
D.SQL Access Advisor
E.Automatic Database Diagnostic Monitor （ADDM）

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單項(xiàng)選擇題

You observe that database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks.
Which advisory component would you refer to， in order to determine the required size of the database buffer cache？（）

A.Memory Advisor
B.Segment Advisor
C.SQL Tuning Advisor
D.SQL Access Advisor
E.Automatic Database Diagnostic Monitor （ADDM）

多項(xiàng)選擇題

What are the two advantages of RMAN Block Media Recovery （BMR） over filelevel recovery？（）

A.BMR lowers the mean time to recover （MTTR）.
B.BMR supports pointintime recovery of individual data blocks.
C.BMR enables you to use incremental backups for block recovery.
D.BMR enables recovery even when the database is not mounted or open.
E.BMR enables you to use proxy backups to perform block media recovery.
F.BMR enables increased availability of data during recovery because the data file that requires a recovery can remain online.

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你可能感興趣的試題

What are the two advantages of RMAN Block Media Recovery （BMR） over file­level recovery？（）

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What are the two advantages of RMAN Block Media Recovery （BMR） over filelevel recovery？（）