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A customer asked you about Database Time (DB Time). Which are two correct statements you would
include in your description of it?

A. It is the total time spent in database calls by all sessions in the database.

B. It is the total time spent in database calls by foreground sessions in the database.

C. It is the total time spent in database calls by background sessions in the database.

D. It includes non-idle wait time.

E. It is the overall response time.

F. It includes login, idle, background, and Zombie session wait time.

Explanation:

Reference: http://www.oracle.com/technetwork/oem/db-mgmt/s317294-db-perf-tuning-with-db-time-181631.pdf
http://blog.orapub.com/20140805/What-Is-Oracle-DB-Time-DB-CPU-Wall-Time-and-Non-Idle-Wait-Time.html

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