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Exam 1z0-063 topic 1 question 131 discussion

Actual exam question from Oracle's 1z0-063
Question #: 131
Topic #: 1
[All 1z0-063 Questions]

Your database supports an OLTP workload. Examine the output of the query:
SQL> SSLECT target_mttr, estimated_mttr

FROM v$instance_recovery -

Target_mttrestimated_mttr -
---------------------- ---------------------------
To ensure faster instance recovery, you set the fast_start_mttrjtargh:t initialization parameter to 30.
What is the effect of this setting on the database?

  • A. Automatic checkpoint tuning is disabled.
  • B. The frequency of log switches is increased.
  • C. The overhead on database performance is increased because of frequent writes to disk.
  • D. The MTTR advisor is disabled.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by sherifelia at Jan. 25, 2020, 1:12 p.m.

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rcgenilo27
4 years, 3 months ago
C correct
upvoted 3 times
Sugar
4 years, 2 months ago
You can check oracle documentation
upvoted 1 times
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sherifelia
4 years, 9 months ago
Answer C
upvoted 2 times
Sugar
4 years, 4 months ago
Sorry, C is wrong. when the value is set to 0, it means that the automatic tuning is enabled whereas when you define value of 30, the automatic tuning becomes disabled. Setting the database parameter FAST_START_MTTR_TARGET to a value greater than zero enables the fast-start checkpointing feature
upvoted 1 times
Sugar
4 years, 4 months ago
it has been like this since Orace 10
upvoted 1 times
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