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Exam 1z0-084 topic 1 question 13 discussion

Actual exam question from Oracle's 1z0-084
Question #: 13
Topic #: 1
[All 1z0-084 Questions]

Database performance has degraded recently.
INDEX RANGE SCAN operations on index IX_SALES_TIME_ID are slower due to an increase in buffer gets on SALES table blocks.
Examine these attributes displayed by querying DBA_TABLES:

Now, examine these attributes displayed by querying DBA_INDEXES:

Which action will reduce the excessive buffer gets?

  • A. Re-create the SALES table sorted in order of index IX_SALES_TIME_ID.
  • B. Re-create index IX_SALES_TIME_ID using ADVANCED COMPRESSION.
  • C. Re-create the SALES table using the columns in IX_SALES_TIME_ID as the hash partitioning key.
  • D. Partition index IX_SALES_TIME_ID using hash partitioning.
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Suggested Answer: B 🗳️
by krwi1 at March 19, 2025, 10:59 a.m.

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krwi1
2 weeks ago
Selected Answer: A
Why B, I bet A
upvoted 1 times
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