單項選擇題

Consider the following scenario for your database:
- Backup optimization is enabled in RMAN.
- The recovery window is set to 7 days in RMAN.
- The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007.
- The TOOLS tablespace is read-only since November 4, 2007.
On November 23, 2007, you issue the RMAN command to back up the database to disk.
Which statement is true regarding the backup of the TOOLS tablespace?（）

A. The RMAN backup fails because the TOOLS tablespace is read-only
B. The RMAN skips the backup of the tablespace because backup optimization is enabled
C. The RMAN makes backup because optimization can be enabled only for backups to disk
D. The RMAN makes the backup because no backup of the tablespace exists within the seven day window

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單項選擇題

You want to create the Recovery Manager (RMAN) Virtual Private Catalog (VPC) to maintain a separation of responsibilities along with a consolidation of RMAN repository. Which condition must be met before you create the VPC?（）

A. A base catalog exists
B. The recovery catalog is empty
C. The base recovery catalog must be dropped
D. A target database is registered in the recovery catalog

單項選擇題

Evaluate the following SQL statement used to create the PRODUCTS table：
CREATE TABLE products （product_id NUMBER（3） PRIMARY KEY， product_desc VARCHAR2（25）， qtyNUMBER（8，2）， rate NUMBER（10，2）， total_value AS （ qty * rate）） PARTITION BY RANGE （total_value）（PARTITION p1 VALUES LESS THAN （100000）， PARTITION p2 VALUES LESS THAN
（150000）， PARTITION p3 VALUES LESS THAN （MAXVALUE））
COMPRESS FOR ALL OPERATIONS；
Which statement is true regarding this command？（）

A. It executes successfully but partition pruning cannot happen for this partition key.
B. It produces an error because the TOTAL_VALUE column cannot be used as a partition key.
C. It produces an error because compression cannot be used for the TOTAL_VALUE partition key.
D. It executes successfully but the values in the TOTAL_VALUE column would not be physically stored in the partitions.

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你可能感興趣的試題

You want to create the Recovery Manager (RMAN) Virtual Private Catalog (VPC) to maintain a separation of responsibilities along with a consolidation of RMAN repository. Which condition must be met before you create the VPC?（）

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