(Choose two.)

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

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

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.



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L. Zhu

L. Zhu

A is right. ASH is in SGA
B is wrong.
C is wrong.
D is right. MMNL

So A.D. are correct

Michael

Michael

AD is correct.
As for B: not any small interval is possible. Minimum length for an interval is one second.