Which three are true about the Automatic Workload Repository (AWR)? (Choose three.)
A. It is maintained by executing the PL/SQL procedures in the DBMS_STATS package.
B. It includes statistics that contain the number of distinct values per table column.
C. It includes statistics that contain the number of rows per table.
D. AWR data is stored in the SYSAUX tablespace.
E. Automatic AWR snapshots are created by the Manageability Monitor (MMON) background process.
F. By default, AWR data is retained for eight days.
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