單項(xiàng)選擇題

hich of the following RMAN structures can data from a datafile span?（）

A.RMAN backup-set pieces spanning backup sets
B.RMAN backup-set pieces within a given backup sets
C.RMAN backups
D.RMAN channels
E.None of the above

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單項(xiàng)選擇題

You create two resource plans, one for data warehouse loading jobs at night and the other for application jobs at day time. You want the resource plans to activate automatically so that the resource allocation is optimum as desired by the activity.How would you achieve this? （）

A.Implement job classes
B.Implement Scheduler windows
C.Implement the mapping rule for the consumer groups
D.Set the SWITCH_TIME resource plan directive for both the resource plans

單項(xiàng)選擇題

The DB_BLOCK_CHECKING initialization parameter is set to OFF. 數(shù)據(jù)庫(kù)塊檢測(cè)初始化參數(shù)被設(shè)定為關(guān) Which block checking would be performed?（）

A.The Oracle database will perform block checking for the index blocks only
B.The Oracle database will not perform block checking for any of the data blocks
C.The Oracle database will perform block checking for the default permanent tablespace only
D.The Oracle database will perform block checking for the data blocks in all user tablespaces
E.The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle

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