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Exam 1z0-084 topic 1 question 20 discussion

Actual exam question from Oracle's 1z0-084
Question #: 20
Topic #: 1
[All 1z0-084 Questions]

Accessing the SALES table causes excessive db file sequential read wait events.
Examine this AWR excerpt:

Now, examine these attributes displayed by querying DBA_TABLES:

Finally, examine these parameter settings:

Which two must both be used to reduce these excessive waits? (Choose two.)

  • A. Partition the SALES table.
  • B. Increase PCTFREE for the SALES table.
  • C. Re-create the SALES table.
  • D. Compress the SALES table.
  • E. Coalesce all SALES table indexes.
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Suggested Answer: AD 🗳️
by krwi1 at March 18, 2025, 7:09 a.m.

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krwi1
2 weeks, 2 days ago
Selected Answer: BC
In my opinion the problem is due to chain_cnt. The root cause may be the updates on sales table. if that's the case increasing pct_free and rebuid the table will help.
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