A customer not familiar with Active Session History (ASH) asked you what it was used for.
Which are two statements you can use to accurately describe (ASH) capabilities?
A.
It enables you to conduct performance analysis of long-running sessions.
B.
It enables you to conduct performance analysis of transient issues.
C.
In memory, active sessions are sampled every second.
D.
It accesses database kernel structures indirectly via the buffer cache.
E.
It enables you to look at all database sessions since the database was created.
AC
BC