Which three are true about Automatic Workload Repository (AWR)
Snapshots?
A.They can be retained forever. B.They are always created automatically. C.They are always created manually. D.They are generated if STATISTICS LEVEL is set to TYPICAL. E.They are generated if STATISTICS LEVEL is set to BASIC. F.They are generated if STATISTICS LEVEL is set to ALL.正确答案ADF
