多項(xiàng)選擇題

Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel-based recovery？（）

A. You find that one of the redo log members in each redo log group is lost.
B. You find that a data file that belongs to the USERS tablespace is damaged.
C. You find that a data file that belongs to the SYSTEM tablespace is damaged.
D. You find that the current redo log group is damaged and is not available for recovery.
E. You realized while performing a recovery that an archived redo log file needed for recovery is lost.

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單項(xiàng)選擇題

Which statement is true while creating subplans using Resource Manager？（）

A. The subplan must belong to the consumer group， SYS_GROUP.
B. The total CPU usage at any given level must be less than 100%.
C. The subplans can be used to restrict the degree of parallelism for a user.
D. You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.

多項(xiàng)選擇題

You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option？（）

A. This operation resets the SCN for the database.
B. This operation creates a new incarnation of the database.
C. This operation moves all the redo log files to a different location.
D. This operation deletes the old redo log files and creates new redo log files.
E. This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

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Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel-based recovery？ （）

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Which statement is true while creating subplans using Resource Manager？（）

You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option？ （）

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Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel-based recovery？（）

Which statement is true while creating subplans using Resource Manager？（）

You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option. What is the effect of opening the database with the RESETLOGS option？（）