[多选] 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.

自感电势的方向（）。总是阻止电源电势的变化。总是阻止线圈内电流变化。总是阻止线圈磁通的变化。对涉及结构安全、节能、环境保护和主要使用功能的试块、试件及材料，应在进场时或施工中按规定进行（）。试验检验。抽样检验。见证检验。性能分析检验。 What is the result？（） Compilation fails.。 pi is bigger than 3.。 An exception occurs at runtime.。 pi is bigger than 3. Have a nice day.。 pi is not bigger than 3. Have a nice day.。低温绝热气瓶。每（）年检验一次。 2。 3。 4。 5。 There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database？（） the DBNEWID utility。 the DBVERIFY utility。 the ANALYZE command。 the RMAN REPORT command。 the RMAN CROSSCHECK command。 the CHECK_OBJECT procedure of the DBMS_REPAIR package。 Which three statements are true about Automatic Workload Repository (AWR)?（）

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[多选] Which three statements are true about Automatic Workload Repository (AWR)?（）

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