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1Z0-064考古題介紹，1Z0-064考題寶典 - Oracle 1Z0-064最新題庫 - Royalholidayclubbed
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Oracle Database 1z0-064考古題介紹 - Oracle Database 12c: Performance Management and Tuning 我們的方案是可以100%保證你通過考試的，並且還為你提供一年的免費更新服務。 一生輾轉千萬裏，莫問成敗重幾許，得之坦然，失之淡然，與其在別人的輝煌裏仰望，不如親手點亮自己的心燈，揚帆遠航。Royalholidayclubbed Oracle的1z0-064 學習指南考試培訓資料將是你成就輝煌的第一步，有了它，你一定會通過眾多人都覺得艱難無比的Oracle的1z0-064 學習指南考試認證，獲得了這個認證，你就可以在你人生中點亮你的心燈，開始你新的旅程，展翅翱翔，成就輝煌人生。
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Oracle的認證考試現在是很有人氣的考試。你已經取得了這個重要的認證資格嗎？比如，你已經參加了現在參加人數最多的1z0-064考古題介紹考試了嗎？如果還沒有的話，你應該儘快採取行動了。你必須要拿到如此重要的認證資格。在這裏我想說的就是怎樣才能更有效率地準備1z0-064考古題介紹考試，並且一次就通過考試拿到考試的認證資格。
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1z0-064 PDF DEMO:
QUESTION NO: 1
Which two statements are true about ADDM? (Choose two.)
A. It documents only those components and wait classes that are significantly impacting the performance of the database.
B. It first identifies the performance symptoms, and then refines them to reach the root cause with the singular aim of reducing the DB CPU metric.
C. It analyzes the performance of a database instance based on the time period covered by the most recent AWR snapshot, and generates recommendations based on hard-coded criteria.
D. It can analyze performance issues that occurred in past events provided they fall within the AWR retention period.
E. ADDM resource utilization and cost of analysis depends on the actual load on the database and the number of performance problems analyzed.
Answer: A,B
QUESTION NO: 2
You are administering a database that supports an OLTP workload. The CURSOR_SHARING parameter is set to EXACT for the instance. The performance of queries issued by one of the modules has degraded. The queries executed by the module are almost identical in syntax. To investigate, you analyze the latest AWR report and find a large number of latch:shared pool wait events and also a high percentage of the hard parse elapsed time.
Which two can be reasons for this? (Choose two.)
A. The I/O performance is slow.
B. Excessive time is spent on finding cached cursors in the library cache.
C. The CURSOR_SHARING parameter is set to EXACT, which does not allow similar queries to share a cursor.
D. Bind variables are not used for similar queries, causing hard parses.
E. Repeated access to a small number of blocks.
Answer: D,E
QUESTION NO: 3
Your database supports an OLTP system.
Examine the parameter values configured in your database:
The CUSTOMERS table contains 8,000 rows. The CUST_ID column is the primary key and the
COUNTRY_ID column contains only three possible values: 1111, 2222, and 3333.
You execute the commands:
SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS('SH','CUSTOMERS');
PL/SQL procedure successfully completed.
SQL> CREATE INDEX COUNTRY_IDX ON CUSTOMERS (COUNTRY_ID);
Index created.
You then perform a series of INSERT, UPDATE, and DELETE operations on the table.
View the Exhibit to examine the query and its execution plan.
Which three options would improve the performance of the query? (Choose three.)
A. creating a histogram on the COUNTRY_ID column
B. creating a SQL profile
C. regathering statistics on the CUSTOMERS table
D. increasing the size of the PGA
E. creating a KEEP cache
F. creating a bitmap index on the COUNTRY_ID column
Answer: A,C,D
QUESTION NO: 4
In which three scenarios would you recommend the use of the SQL Performance Analyzer?
A. to identify SQL statements whose performance may have regressed due to a hardware upgrade
B. to identify SQL statements in an application whose performance may have regressed due to migration from Oracle Database 11g to 12c
C. to analyze the impact of using bind variables for syntactically similar SQL statements
D. to analyze the impact of network and interconnect changes on database workload
E. to analyze the impact of new indexes and materialized views on the SQL statements executed by an application
F. to identify SQL statements that require SQL profiles
Answer: A,D,F
QUESTION NO: 5
Enable adaptive thresholds to detect the workload patterns and set different threshold values as a percentage of the maximum value.
Which option represents the required steps in the correct order? (Choose the best answer.)
A. 4, 5, 7
B. 5, 1, 6, 8
C. 2, 4, 3
D. 5, 7
E. 3, 4, 8
Answer: B
8. Examine the partial Activity Over Time section of an Active Session History (ASH) report:
Which two inferences are correct? (Choose two.)
A. In the second time slot, 0.14% of the time was spent on the CPU.
B. In the second time slot, five different sampled sessions were using the CPU.
C. In the second time slot, out of the nine sampled sessions connected to the database instance, only one sampled session was idle at the time of report generation.
D. In the first time slot, five different sampled sessions were connected to the database instance.
E. In the first time slot, only one sampled session was using the CPU.
Answer: A,D
如果你想通過困難的ISTQB CTAL_TM_001-KR認證考試，那麼在準備考試時不使用相關考試資料是絕對不行的。 我們Royalholidayclubbed Oracle的Cisco 200-201考試認證培訓資料，仿真度特別高，你可以在真實的考試中遇到一樣的題，這只能說明我們的IT精英團隊的能力實在是高。 我們提供所有熱門認證考試學習資料，其中包含PDF電子版本和軟件版本的ServiceNow CIS-EM題庫，還有APP在線版本支持離線使用，方便考生選擇使用。 ISACA CRISC - 沒有人願意自己的人生平平淡淡，永遠在自己的小職位守著那份杯水車薪，等待著被裁員或者待崗或是讓時間悄無聲息的流逝而被退休。 擁有Oracle CompTIA 220-1201認證可以評估你在公司的價值和能力，但是通過這個考試是比較困難的。
Updated: May 28, 2022
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