多项选择题
Which three functions are performed by the SQL Tuning Advisor？（）
A. Building the SQL profile
B. Recommending optimization of materialized views
C. Checking query objects for missing and stale statistics
D. Recommending bitmap， function-based， and B-tree indexes
E. Recommending restructuring SQL queries that are using bad plans
相关考题
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单项选择题
YouwanttoenableautomaticPGAmemorymanagementinyourdatabase.Whichsettingisrequiredtoachievethis？（）
A. Set MEMORY_TARGET to zero
B. Set the STATISTICS_LEVEL parameter to BASIC
C. Set the WORKAREA_SIZE_POLICY parameter to MANUAL
D. Set the PGA_AGGREGATE_TARGET parameter to nonzero value -
多项选择题
Whichthreestatementsaretrueaboutpersistentconfiguration？（）
A. A user cannot set privileges on the persistent lightweight jobs
B. Persistent lightweight jobs generate a large amount of metadata
C. It is possible to create fully self-contained persistent lightweight jobs
D. The use of a template is mandatory to create persistent lightweight jobs
E. Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time -
多项选择题
Whichthreestatementsaretrueaboutwindows？（）
A. Only one window can be open at any given time
B. Consumer groups are associated with windows
C. Windows work with job classes to control resource allocation
D. The database service name must be provided during windows creation
E. Windows can automatically start job or change resource allocation among jobs for various time periods.
