【多选题】
A <{p}>by performing emergency monitoring using Real-Time Automatic Database Diagnostic Monitor<{br/}>(ADDM) to fetch data directly from SGA for a_nalysis<{br/}><{/p}>
B <{p}>by running ADDM to fetch information from the latest Automatic Workload Repository (AWR)<{br/}>snapshots<{br/}><{/p}>
C <{p}>by using Active Session History (ASH) data and performing hang an_alysis<{br/}><{/p}>
D <{p}>by running ADDM in diagnostic mode<{br/}><{/p}>
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