Identify two correct statements about the Active Session History (ASH) data.

Identify two correct statements about the Active Session History (ASH) data.

A.
A part of SGA memory is used to store ASH data as rolling buffer.

B.
The ASH data can be analyzed between any two small time intervals.

C.
All ASH data in memory are flushed to disk by MMON in every 3 seconds.

D.
All ASH data in memory are flushed to disk by MMNL process whenever the buffer is full.