多项选择题

Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（）

A. stored scripts in the recovery catalog
B. backups that can be deleted from disk
C. backup sets and image copies are obsolete
D. backups that do not have the AVAILABLE status in the RMAN repository RMAN

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单项选择题

Which statement is true for enabling Enterprise Manager Support Workbench in Oracle Database 11g to upload the physical files generated by Incident Packaging Service (IPS) to MetaLink?（）

A. The database must be running in ARCHIVELOG mode.
B. No special setup is required, and the feature is enabled by default.
C. The path for the Automatic Diagnostic Repository (ADR) must be configured with the DIAGNOSTIC_DEST initialization parameter.
D. The Enterprise Manager Support Workbench can be enabled only if the background process manageability monitor (MMON) is configured.
E. Select the Enable option in the Oracle Configuration Manager Registration window during the installation of the Oracle Database 11g software, provide valid MetaLink credentials and select license agreement.

多项选择题

In Oracle 11g, which recommendations does the SQL Access Advisor generate?（）

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

单项选择题

In which cases is reference partitioning effective in enhancing performance?（）

A. It is effective only in partition pruning.
B. It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.
C. It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.
D. It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.