其中，1z0-064真題材料認證考試就是最重要的一個考試。這個考試的認證資格可以證明你擁有很高的技能。但是，和考試的重要性一樣，這個考試也是非常難的。 Shobhadoshi的IT專家團隊利用他們的經驗和知識不斷的提升考試培訓材料的品質，來滿足每位考生的需求，保證考生第一次參加Oracle 1z0-064真題材料認證考試順利的通過，你們通過購買Shobhadoshi的產品總是能夠更快得到更新更準確的考試相關資訊，Shobhadoshi的產品的覆蓋面很大很廣，可以為很多參加IT認證考試的考生提供方便，而且準確率100%，能讓你安心的去參加考試，並通過獲得認證。 所以，Shobhadoshi的1z0-064真題材料考古題吧。

Oracle Database 1z0-064 Shobhadoshi承諾如果考試失敗就全額退款。

有了最新詳細的題庫和答案，為您的1z0-064 - Oracle Database 12c: Performance Management and Tuning真題材料考試做好充分的準備，我們將保證您在考試中取得成功。 最新 1z0-064 試題認證考試是一個很難的考試。但是即使這個考試很難，報名參加考試的人也很多。

您還可以在Shobhadoshi網站下載免費的DEMO試用，這樣您就能檢驗我們產品的質量，絕對是您想要的！您可以通過1z0-064真題材料考古題來獲得認證，這將是您成為專業的IT人員的擁有美好未來的不錯選擇。但是通過最新的Oracle 1z0-064真題材料認證考試并不簡單，並不是僅僅依靠與1z0-064真題材料考試相關的書籍就可以辦到的。

通過Oracle Oracle 1z0-064真題材料認證考試可以給你帶來很多改變。

有很多途徑可以幫你通過Oracle 1z0-064真題材料 認證考試的，選擇好的途徑也就是選擇了好的保障。Shobhadoshi可以為你提供好的培訓工具，為您參加Oracle 1z0-064真題材料 認證考試提供高品質的參考資料。Shobhadoshi提供的考試練習題和答案是根據Oracle 1z0-064真題材料 認證考試的考試大綱研究出來的。所以Shobhadoshi提供的資料的品質很高，具有很高權威性，絕對可以盡全力幫你通過Oracle 1z0-064真題材料 認證考試。Shobhadoshi也會不斷提升更新我們提供的Oracle 1z0-064真題材料 認證考試資料，來滿足您的需求。

要想一次性通過Oracle 1z0-064真題材料 認證考試您必須得有一個好的準備和一個完整的知識結構。Shobhadoshi為你提供的資源正好可以完全滿足你的需求。

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
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: 3
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: 4
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: 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

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Updated: May 28, 2022