单项选择题
Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature？（）
A. Segment Advisor
B. SQL Access Advisor
C. Undo Advisor
D. SQL Tuning Advisor
相关考题
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单项选择题
Observe the following warning in an RMAN session of your database instance： WARNING： new failures were found since last LIST FAILURE command Which statement describes the scenario that must have produced this warning？（）
A. The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository（ADR）
B. The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository （ADR）
C. The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository （ADR） since the last LIST FAILURE
D. The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository （ADR） since the last LIST FAILURE command was executed -
单项选择题
Examine the output of the query that you executed to list the objects in the recycle bin: You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin: SQL> PURGE TABLE sales_tab; What would be the outcome of this command?（）
A. All three tables in the recycle bin are purged
B. Only the table with the oldest DROPSCN is purged
C. The command returns an error because multiple entries with the same name exist in the recycle bin
D. Only the table with the latest DROPSCN is purged -
多项选择题
The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? （）(Choose two.)
A. The databases configured to use the ASM instance are mounted
B. The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter
C. ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started
D. ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters
