多項(xiàng)選擇題

In Oracle 11g, which recommendations does the SQL Access Advisor generate? （）(Choose all that apply.)

A. partitioning recommendations
B. statistics collection recommendations
C. index creation recommendations
D. materialized view recommendations
E. materialized view log recommendations

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單項(xiàng)選擇題

You issue the following command：
RMAN>CONFIGURE BACKUP OPTIMIZATION ON；
What is the result of this command on your backups？（）

A. An incremental backup strategy will be used automatically.
B. Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.
C. RMAN will configure itself for maximum performance at the cost of CPU.
D. RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.
E. RMAN will automatically compress backups.

單項(xiàng)選擇題

Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?（）

A. Segment Advisor
B. SQL Access Advisor
C. Undo Advisor
D. SQL Tuning Advisor

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In Oracle 11g, which recommendations does the SQL Access Advisor generate? （）(Choose all that apply.)

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You issue the following command： RMAN>CONFIGURE BACKUP OPTIMIZATION ON； What is the result of this command on your backups？（）

Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?（）

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You issue the following command：
RMAN>CONFIGURE BACKUP OPTIMIZATION ON；
What is the result of this command on your backups？（）