In your production database， users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason， you realize that another user executed the TRUNCATE TABLE command， which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas. 
Which method must you use to recover the lost data？（）  

多项选择题WhichthreefunctionsareperformedbytheSQLTuningAdvisor？（）

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

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.

多项选择题IdentifythepersistentconfigurationsettingforthetargetdatabasethatcanbesetforthebackupbyusingRMAN.（）

A. Backup retention policy
B. Default backup device type
C. Default destinations for backups
D. Multiple backup device types for single backup
E. Default section size for backups