单项选择题

What happens if you shutdown abort ASM instance?（）

A. The RDBMSs connected will shutdown abort too
B. CLUSTER SERVICE will shutdown
C. ASM wil do instance recovery after startup

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热门试题

单项选择题

While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for the statement that has stale statistics available. What would the optimizer do in this situation?（）

A. It updates the existing SQL profiles with current statistics.
B. It makes the statistics information available to GATHER_STATS_JOB
C. It initiates the statistics collection process by running GATHER_STATS_JOB
D. It logs a warning message in the alert log so that the DBA can perform statistics collection manually.

单项选择题

You need to restore your database back to 9 30 2008 at 18：00. In what order would you run the following commands to compete this task？（） a. restore controlfile until time `09 30 2008：18：00：00’ b. restore database until time `09 30 2008：18：00：00’ c. restore spfile until time `09 30 2008：18：00：00’ d. recover database until time `09 30 2008：18：00：00’ e. alter database open resetlogs f. alter database open

A. b， d， e
B. b， d， f
C. c， a， b， d， e
D. c， a， b， d， f
E. a， b， d， e