第105題-OCP認證062考試題庫2019最新考題解析
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我要咨詢2018年的時候,OCP 11g考試題庫大更新,052 053出現(xiàn)了很多新題,
2019年,11g即將停考的前期,Oracle又出現(xiàn)了一次大變動,12c出現(xiàn)了很多新題,比如062 063題庫大更新
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QUESTION 105
Examine the details of the Top 5 Timed Events in t he following Automatic Workloads Repository (AWR) report:
What are three possible causes for the latch-related wait events?
A. The size of t he shared pool is too small.
B. Cursors are not being shared.
C. A large number COMMITS are being performed.
D. There are frequent logons and logoffs.
E. The buffers are being read into the buffer cache, but some other session is changing the buffers.
Correct Answer: ABE
(解析:答案 AB 是比較確定的,答案 E 是指數(shù)據(jù)緩沖區(qū)沖突,通常講的熱塊。)
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