In order to pass Oracle certification 1z1-064 Simulator Online exam, selecting the appropriate training tools is very necessary. And professional study materials about Oracle certification 1z1-064 Simulator Online exam is a very important part. Our Omgzlook can have a good and quick provide of professional study materials about Oracle certification 1z1-064 Simulator Online exam. As you know, there are many users of 1z1-064 Simulator Online exam preparation. But we work high-efficiently 24/7 to give you guidance. So you can choose an appropriate quick training from Omgzlook to pass the exam.
Oracle Database 1z1-064 Please pay more attention to our website.
Considering many exam candidates are in a state of anguished mood to prepare for the 1z1-064 - Oracle Database 12c: Performance Management and Tuning Simulator Online exam, our company made three versions of 1z1-064 - Oracle Database 12c: Performance Management and Tuning Simulator Online real exam materials to offer help. The effect of Omgzlook's Oracle Valid 1z1-064 Test Forum exam training materials is reflected particularly good by the use of the many candidates. If you participate in the IT exam, you should not hesitate to choose Omgzlook's Oracle Valid 1z1-064 Test Forum exam training materials.
The content of 1z1-064 Simulator Online study material is comprehensive and targeted so that you learning is no longer blind. 1z1-064 Simulator Online test answers help you to spend time and energy on important points of knowledge, allowing you to easily pass the exam. The world today is in an era dominated by knowledge.
Oracle 1z1-064 Simulator Online - Our products are just suitable for you.
Omgzlook is a website to provide a targeted training for Oracle certification 1z1-064 Simulator Online exam. Omgzlook is also a website which can not only make your expertise to get promoted, but also help you pass Oracle certification 1z1-064 Simulator Online exam for just one time. The training materials of Omgzlook are developed by many IT experts' continuously using their experience and knowledge to study, and the quality is very good and have very high accuracy. Once you select our Omgzlook, we can not only help you pass Oracle certification 1z1-064 Simulator Online exam and consolidate their IT expertise, but also have a one-year free after-sale Update Service.
You will get your 1z1-064 Simulator Online certification with little time and energy by the help of out dumps. Omgzlook is constantly updated in accordance with the changing requirements of the Oracle certification.
1z1-064 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
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
QUESTION NO: 5
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
Nutanix NCP-CI-Azure - If you buy the Omgzlook's products, we will not only spare no effort to help you pass the certification exam, but also provide a free update and upgrade service. As we all know, it is not an easy thing to gain the Salesforce Marketing-Cloud-Account-Engagement-Specialist certification. Finally, Omgzlook's latest Oracle OMSB OMSB_OEN simulation test, exercise questions and answers have come out. It doesn’t matter if it's your first time to attend SAP C-ARCIG-2404 practice test or if you are freshman in the IT certification test, our latest SAP C-ARCIG-2404 dumps guide will boost you confidence to face the challenge. About Oracle Blue Prism AD01 exam, you can find these questions from different web sites or books, but the key is logical and connected.
Updated: May 28, 2022