單項選擇題

Which statement about the enabling of table compression in Oracle Database 11g is true？（）

A. Compression can be enabled at the table， tablespace， or partition level for direct loads only.
B. Compression can be enabled only at the table level for both direct loads and conventional DML.
C. Compression can be enabled at the table， tablespace， or partition level for conventional DML only.
D. Compression can be enabled at the table， tablespace， or partition level for both direct loads and conventional DML.

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多項選擇題

In which two aspects does hot patching differ from conventional patching？（）

A. It consumes more memory compared with conventional patching.
B. It can be installed and uninstalled via OPatch unlike conventional patching.
C. It takes more time to install or uninstall compared with conventional patching.
D. It does not require down time to apply or remove unlike conventional patching.
E. It is not persistent across instance startup and shutdown unlike conventional patching.

多項選擇題

What are the prerequisites for performing flashback transactions? （）(Choose all that apply)

A. Supplemental log must be enabled
B. Supplemental log must be enabled for the primary key
C. Undo retention guarantee for the database must be configured
D. ”EXECUTE “ permission on the DBMS_FLASHBACK package must be granted to the user

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Which statement about the enabling of table compression in Oracle Database 11g is true？（）

你可能感興趣的試題

In which two aspects does hot patching differ from conventional patching？（）

What are the prerequisites for performing flashback transactions? （）(Choose all that apply)

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