多項(xiàng)選擇題

Which two statements are true regarding an Automatic Storage Management (ASM) instance?（） (Choose two.)

A. As ASM instance mounts an ASM control file
B. An ASM instance uses the ASMB process for rebalancing of disks within a disk group
C. Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
D. An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

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單項(xiàng)選擇題

Which of the following is a potential performance tuning recommendation from the SQL Access Advisor？（）

A. Create new indexes.
B. Modify existing indexes.
C. Implement partitioning on a nonpartitioned table.
D. Create materialized views.
E. All of the above

單項(xiàng)選擇題

Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（）

A. A list of SQL statements and recommendations for tuning
B. A list of SQL statements that have been tuned by the Advisor，with before and after metrics
C. Graphs showing the actual performance improvement made by the Advisor after it implemented the recommended changes
D. All of the above

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Which two statements are true regarding an Automatic Storage Management (ASM) instance?（） (Choose two.)

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Which of the following is a potential performance tuning recommendation from the SQL Access Advisor？（）

Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（）

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Which of the following is a potential performance tuning recommendation from the SQL Access Advisor？（）

Which of these appropriately describes the results of a manual SQL Tuning Advisor task？（）