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Oracle 1Z0-084 Exam Dumps

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Description

Exam Name: Oracle Database 19c: Performance Management and Tuning
Exam Code: 1Z0-084
Related Certification(s): Oracle Database Certification
Certification Provider: Oracle
Number of 1Z0-084 practice questions in our database: 55 

Expected 1Z0-084 Exam Topics, as suggested by Oracle :

  • Module 1: Basic Tuning Methods and Diagnostics: This section covers the key aspects of tuning methodologies, including the different phases of the tuning lifecycle, the time model used to understand performance, the concept of wait events, and the use of dynamic performance views to diagnose performance problems.
  • Module 2: Using Statspack: This topic focuses on configuration and installation of Statspack. It also explains how to use Statspack to diagnose problems.
  • Module 3: Using Log and Trace Files to Monitor Performance: This topic covers the use of Alert Log to Monitor Performance. Moreover, it also discusses usage of Trace files to Monitor Performance.
  • Module 4: Using Metrics, Alerts and Baselines: Monitoring of performance by using metric thresholds and alerts is discussed. It also focuses on the usage of AWR baselines for the monitoring of performance.
  • Module 5: Using AWR-Based Tools: This topic is about diagnosing issues related to performance by using ADDM and ASH reports. It also dives into usage of Automated Maintenance Tasks for the management of Performance.
  • Module 6: Performing Oracle Database Application Monitoring: It focuses on implementation of Real-Time Database Operation Monitoring. The topic also covers configuration and usage of services to monitor database Application performance.
  • Module 7: Identifying Problem SQL Statements: It focuses on the phases of SQL statement processing, usage of formatted output of SQL Trace, and assessment of Adaptive and Dynamic Execution plans. The topic also dives into the sub-topic which is related to Monitoring Automatic Reoptimization and SQL Plan Directives.
  • Module 8: Influencing the Optimizer: It explains the influence of statistics and parameters of configuration.
  • Module 9: Reducing the Cost of SQL Operations: This topic covers Shrinking Segments, Management of Chaining and Migration, and Configuration of Index and Table Performance Options. It also discusses configuration of table compression and diagnosis and tuning of space related issues.
  • Module 10: Using Real Application Testing: Usage of SQL Performance Analyzer to assess the impact of database changes is discussed in this topic. It also focuses on the usage of Database Replay to evaluate the impact of system change on performance.
  • Module 11: SQL Performance Management: This section focuses on the management of optimizer statistics, the use of the Optimizer Statistics Advisor, the leveraging of the SQL Access and SQL Tuning advisors to tune SQL statements, and the application of SQL Plan Management to improve SQL statement performance.
  • Module 12: Tuning the Shared Pool: It covers the tuning of the shared pool in the Oracle database, including diagnosing and resolving performance problems related to the shared pool, as well as managing and tuning the result cache.
  • Module 13: Tuning the Buffer Cache: The topic addresses delves into diagnosing and resolving performance problems related to the buffer cache, as well as diagnosing database I/O issues. Additionally, the topic explains the configuration of Big Table Caching and Flash Cache.
  • Module 14: Tuning the PGA: This section focuses on diagnosing and resolving performance issues related to the PGA, as well as addressing performance issues related to the temporary tablespace.
  • Module 15: Using Automatic Memory Management: It covers the use of Automatic Memory Management in the Oracle database, including the configuration of Automatic Shared Memory Management and Automatic Memory Management.
  • Module 16: Using In-Memory Features: It focuses on the configuration and utilization of the In-Memory column store to improve SQL performance. The topic also discusses use of the In-Memory column store with other database features.

Description

Exam Name: Oracle Database 19c: Performance Management and Tuning
Exam Code: 1Z0-084
Related Certification(s): Oracle Database Certification
Certification Provider: Oracle
Number of 1Z0-084 practice questions in our database: 55 

Expected 1Z0-084 Exam Topics, as suggested by Oracle :

  • Module 1: Basic Tuning Methods and Diagnostics: This section covers the key aspects of tuning methodologies, including the different phases of the tuning lifecycle, the time model used to understand performance, the concept of wait events, and the use of dynamic performance views to diagnose performance problems.
  • Module 2: Using Statspack: This topic focuses on configuration and installation of Statspack. It also explains how to use Statspack to diagnose problems.
  • Module 3: Using Log and Trace Files to Monitor Performance: This topic covers the use of Alert Log to Monitor Performance. Moreover, it also discusses usage of Trace files to Monitor Performance.
  • Module 4: Using Metrics, Alerts and Baselines: Monitoring of performance by using metric thresholds and alerts is discussed. It also focuses on the usage of AWR baselines for the monitoring of performance.
  • Module 5: Using AWR-Based Tools: This topic is about diagnosing issues related to performance by using ADDM and ASH reports. It also dives into usage of Automated Maintenance Tasks for the management of Performance.
  • Module 6: Performing Oracle Database Application Monitoring: It focuses on implementation of Real-Time Database Operation Monitoring. The topic also covers configuration and usage of services to monitor database Application performance.
  • Module 7: Identifying Problem SQL Statements: It focuses on the phases of SQL statement processing, usage of formatted output of SQL Trace, and assessment of Adaptive and Dynamic Execution plans. The topic also dives into the sub-topic which is related to Monitoring Automatic Reoptimization and SQL Plan Directives.
  • Module 8: Influencing the Optimizer: It explains the influence of statistics and parameters of configuration.
  • Module 9: Reducing the Cost of SQL Operations: This topic covers Shrinking Segments, Management of Chaining and Migration, and Configuration of Index and Table Performance Options. It also discusses configuration of table compression and diagnosis and tuning of space related issues.
  • Module 10: Using Real Application Testing: Usage of SQL Performance Analyzer to assess the impact of database changes is discussed in this topic. It also focuses on the usage of Database Replay to evaluate the impact of system change on performance.
  • Module 11: SQL Performance Management: This section focuses on the management of optimizer statistics, the use of the Optimizer Statistics Advisor, the leveraging of the SQL Access and SQL Tuning advisors to tune SQL statements, and the application of SQL Plan Management to improve SQL statement performance.
  • Module 12: Tuning the Shared Pool: It covers the tuning of the shared pool in the Oracle database, including diagnosing and resolving performance problems related to the shared pool, as well as managing and tuning the result cache.
  • Module 13: Tuning the Buffer Cache: The topic addresses delves into diagnosing and resolving performance problems related to the buffer cache, as well as diagnosing database I/O issues. Additionally, the topic explains the configuration of Big Table Caching and Flash Cache.
  • Module 14: Tuning the PGA: This section focuses on diagnosing and resolving performance issues related to the PGA, as well as addressing performance issues related to the temporary tablespace.
  • Module 15: Using Automatic Memory Management: It covers the use of Automatic Memory Management in the Oracle database, including the configuration of Automatic Shared Memory Management and Automatic Memory Management.
  • Module 16: Using In-Memory Features: It focuses on the configuration and utilization of the In-Memory column store to improve SQL performance. The topic also discusses use of the In-Memory column store with other database features.

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Q1. Which three types of statistics are captured by statspack with snap level 6?

A.Parent and child latches

B. Parent and child latches

C. Optimizer execution plans

D. Plan usage data

E. Enqueue statistics

F. Segment-level statistics

Correct Answer: A, E, F

Q2. Which Optimizer component helps decide whether to use a nested loop join or a hash join in an adaptive execution plan?

A.Statistics Feedback

B. SQL Plan Directives

C. Statistics Collector

D. Automatic Reoptimization

E. Dynamic Statistics

Correct Answer: C

Q3. Which two options are part of a Soft Parse operation?

A.Syntax Check

B. SQL Row Source Generation

C. SQL Optimization

D. Shared Pool Memory Allocation

E. Semantic Check

Correct Answer: E

Q4. Which two actions can cause invalidation or loss of one or more results in the SQL Query Result Cache?

A.One or more results were aged out of the result cache.

B. result_cache_max_size is set dynamically to 0.

C. A request was made by the RCBG background of a non-RAC database.

D. A request was made by the RCBG background process in a physical standby database that is opened read only and whose primary has a result cache.

E. Decreasing the value set for RESULT_CACHE_REMOTE_EXPIRATION.

Correct Answer: A, B

Q5. Which three statements are true about using the in Memory (IM) column store?

A.It does not improve performance for queries using cached results of function evaluations on columns from the same table.

B. It does not improve performance for queries that use join groups on columns from different tables.

C. It can improve OLTP workload performance by avoiding the use of indexes.

D. It does not improve performance for queries using user-defined virtual column results.

E. It does not require all database data to fit in memory to improve query performance.

F. It improves performance for queries joining several tables using bloom filter joins.

Correct Answer: C, E, F

$ 39

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