2.Which two statements are true about the Automatic Workload Repository (AWR)

2.Which two statements are true about the Automatic Workload Repository (AWR)? (Choose two.)
A.All AWR tables belong to the SYSTEM schema.
B.The AWR contains systemwide tracing and logging information.
C.The snapshots collected by the AWR are accessible through data dictionary views.
D.The snapshots collected by the AWR are used by self-tuning components in the database.
答案:CD
解析:关于awr正确的是
A:错误,AWR属于sysman模式并且存储在sysaux表空间中
B:错误,这个是adr的功能
C:正确,dba_hist_snapshot,
D:正确,awr是所有自我管理功能的基础

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