單項選擇題

Consider the following scenario for your database:

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

Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure for LOB space usage?（）

A. It returns space usage of only BasicFile LOB chunks.
B. It returns space usage of only SecureFile LOB chunks.
C. It returns both BasicFile and SecureFile LOB space usage for only nonpartitioned tables.
D. It returns both BasicFile and SecureFile LOB space usage for both partitioned and nonpartitioned tables.

單項選擇題

Which statement is true regarding online redefinition for the migration of BasicFile LOBs to SecureFile LOBs?（）

A. It cannot be done in parallel.
B. It can be done at the table level or partition level.
C. It does not require additional storage because the operation is done online.
D. Local and global indexes are maintained automatically during the operation.

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Consider the following scenario for your database: Which statement is true regarding the backup of the TOOLS tablespace?（）

你可能感興趣的試題

Which statement describes the information returned by the DBMS_SPACE.SPACE_USAGE procedure for LOB space usage?（）

Which statement is true regarding online redefinition for the migration of BasicFile LOBs to SecureFile LOBs?（）

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Consider the following scenario for your database:

Which statement is true regarding the backup of the TOOLS tablespace?（）