多选题Which three statements are true about Automatic Workload Repository (AWR)?（）AAll AWR tables belong to the SYSTEM schema.BThe AWR data is stored in memory and in the database.CThe snapshots collected by AWR are used by the self-tuning components in the databaseDAWR computes time model statistics based on time usage for activities, which are displayed in the v$SYS time model and V$SESS_TIME_MODEL views.EAWR contains system wide tracing and logging information.
多选题
Which three statements are true about Automatic Workload Repository (AWR)?（）
A
All AWR tables belong to the SYSTEM schema.
B
The AWR data is stored in memory and in the database.
C
The snapshots collected by AWR are used by the self-tuning components in the database
D
AWR computes time model statistics based on time usage for activities, which are displayed in the v$SYS time model and V$SESS_TIME_MODEL views.
E
AWR contains system wide tracing and logging information.
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