Lost AWR snapshots reappear again in Oracle 12.2 in Multitenant

What a strange topic. And I thought I never will blog about this. But as I have received the same question for the third time today, I think there’s a bit clarification needed. Lost AWR snapshots reappear in Oracle 12.2 in Multitenant pluggable databases. Magically … Lost AWR snapshots reappear again in Oracle 12.2 in Multitenant In a non-CDB database you have your local AWR data stored in the SYSAUX tablespace. Whenever you create an AWR snapshot: exec dbms_workload_repository.create_snapshot; You can query and of course evaluate it afterwards: select con_id, snap_id, snap_level, to_char(begin_interval_time, ‘dd/mm/yy hh24:mi:ss’) BEGIN from CDB_HIST_SNAPSHOT order by…