多项选择题
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？（）
多项选择题 IdentifythepersistentconfigurationsettingforthetargetdatabasethatcanbesetforthebackupbyusingRMAN.（）
多项选择题 While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it. Identify the two events that can occur in the event of a log switch？（）