单项选择题
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.
相关考题
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多项选择题
Inwhichtwoaspectsdoeshotpatchingdifferfromconventionalpatching？（）
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. -
多项选择题
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 -
单项选择题
Examine the following PL/SQL block： SET SERVEROUTPUT ON SET LONG 10000 ECLARE report clob； BEGIN report ：= DBMS_SPM.EVOLVE_SQL_PLAN_BASELINE（）； DBMS_OUTPUT.PUT_LINE（report）； END； Which statement describes the effect of the execution of the above PL/SQL block？（）
A. The plan baselines are verified with the SQL profiles.
B. All fixed plan baselines are converted into nonfixed plan baselines.
C. All the nonaccepted SQL profiles are accepted into the plan baseline.
D. The nonaccepted plans in the SQL Management Base are verified with the existing plan baselines.
