多项选择题
A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources
单项选择题 You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）
单项选择题 Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?（）
单项选择题 Which background process of a database instance, using Automatic Storage Management (ASM), connects as a foreground process into the ASM instance?（）