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Exam 1z0-084 topic 1 question 17 discussion

Actual exam question from Oracle's 1z0-084
Question #: 17
Topic #: 1
[All 1z0-084 Questions]

An Oracle 19c database uses default values for all optimizer initialization parameters.
After a table undergoes partition maintenance, a large number of wait events occur for: cursor: pin S wait on X
Which command reduces the number of these wait events?

  • A. ALTER SYSTEM SET CURSOR_SHARING = FORCE;
  • B. ALTER SYSTEM SET CURSOR_SPACE_FOR_TIME = TRUE;
  • C. ALTER SYSTEM SET CURSOR_INVALIDATION = DEFERRED;
  • D. ALTER SYSTEM SET SESSION_CACHED_CURSORS = 500;
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Suggested Answer: C 🗳️
by [deleted] at April 4, 2025, 6:41 a.m.

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217972f
1 month, 1 week ago
Selected Answer: C
C because it deferred the cursor invalidation caused by table maintenance and avoid a spike of hard parse releated to the wait
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