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Web-Based Practice Exams to Evaluate 1Z0-084 Oracle Database 19c Performance and Tuning Management Exam Preparation

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Oracle Database 19c Performance and Tuning Management Sample Questions (Q27-Q32):

NEW QUESTION # 27
A Standard Edition production database has performance problems for two hours on the same day each week.
Which tool must you use to diagnose the problem?

A. Database Replay
B. SQL Performance Analyzer
C. AWR Compare Periods report
D. Statspack report

Answer: D

Explanation:
For a Standard Edition production database, the Statspack tool is available to diagnose performance problems.
The Automatic Workload Repository (AWR) and its related tools like AWR Compare Periods report and SQL Performance Analyzer are features of the Oracle Database Enterprise Edition and are not available in Standard Edition. Database Replay is also a feature of the Enterprise Edition. Statspack is a performance diagnostic tool provided for earlier versions and Standard Editions of the Oracle Database to collect, store, and analyze performance data.
References
* Oracle Database 19c Administrator's Guide - Using Statspack to Diagnose Database Performance Issues

NEW QUESTION # 28
Users complain about slowness and session interruptions. Additional checks reveal the following error in the application log:

Which file has additional information about this error?

A. SQL trace file automatically generated by the error
B. Alert log
C. ASH report
D. Session trace file SQL trace file automatically generated by the error

Answer: B

Explanation:
When an ORA-00060 deadlock error occurs, detailed information about the error and the deadlock graph are dumped into the alert log. This log contains a trace file name that you can use to find additional detailed information about the sessions involved in the deadlock and the SQL statements they were executing.
References:
* Oracle Database Administrator's Guide, 19c
* Oracle Database Error Messages, 19c

NEW QUESTION # 29
During which application lifecycle phase do you take baselines?

A. Design and development
B. Production
C. Migration or upgrade
D. Deployment
E. Testing

Answer: B

Explanation:
Baselines are typically taken during the production phase of the application lifecycle. They provide a snapshot of performance metrics under normal operating conditions which can be used for comparison against future performance. Baselines are essential for understanding how the system performs under its typical workload and for detecting deviations from this expected performance over time, especially after changes like migrations, upgrades, or significant changes in user activity.
References
* Oracle Database 19c Performance Tuning Guide - Managing Performance Through Baselines

NEW QUESTION # 30
You must produce a consolidated formatted trace file by combining all trace files generated by all clients for a single service.
Which combination of utilities does this?

A. Autotrace and TKPROF
B. Trcsess and TKPROF
C. TKPROF and Trace Analyzer
D. Trace Analyzer and Tracsess

Answer: B

Explanation:
To produce a consolidated formatted trace file from multiple trace files generated by all clients for a single service, the combination oftrcsessandTKPROFutilities is used. Thetrcsessutility consolidates trace files based on specified criteria such as session, client identifier, or service name. This results in a single trace file that combines the desired tracing information. Next,TKPROFis used to format the output of the trace file generated bytrcsess, providing a readable summary of the trace, including execution counts, execution times, and SQL statement text along with execution plans.
Steps:
* Usetrcsessto combine trace files:
* Command:trcsess output=consolidated.trc service=your_service_name *.trc
* UseTKPROFto format the consolidated trace file:
* Command:tkprof consolidated.trc output.txt explain=user/password sys=no sort=prsela,fchela References:
* Oracle Database Performance Tuning Guide, 19c
* Oracle Database Utilities, 19c

NEW QUESTION # 31
You need to collect and aggregate statistics for the ACCTG service and PAYROLL module, and execute:

Where do you find the output of this command?

A. In $ORACLE_BASE/diag/rdbms/<db unique name>/<instance name>/trace
B. By viewing V$SERVICE_STATS
C. By viewing V$SERV_MOD_ACT_STATS
D. In the current working directory

Answer: C

Explanation:
When you enable statistics gathering for a specific service and module using DBMS_MONITOR.SERV_MOD_ACT_STAT_ENABLE, the output is aggregated and can be viewed using theV$SERV_MOD_ACT_STATSdynamic performance view. This view contains the cumulative statistics of database activity broken down by service and module, which is exactly what you collect when executing the provided command.
* B (Incorrect):While many types of trace files are located in the Diagnostic Destination directory (
$ORACLE_BASE/diag), the aggregated statistics for services and modules are not written to trace files but are instead viewable through dynamic performance views.
* C (Incorrect):TheV$SERVICE_STATSview provides service-level statistics but does not provide the
* combined service/module-level breakdown.
* D (Incorrect):The output of the PL/SQL block is not written to a file in the current working directory; it is stored in the data dictionary and accessible via dynamic performance views.
References:
* Oracle Database PL/SQL Packages and Types Reference:DBMS_MONITOR
* Oracle Database Reference:V$SERV_MOD_ACT_STATS

NEW QUESTION # 32
......

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Sid Long Sid Long

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Web-Based Practice Exams to Evaluate 1Z0-084 Oracle Database 19c Performance and Tuning Management Exam Preparation

2025 Realistic 1Z0-084 Valid Test Testking Help You Pass 1Z0-084 Easily

Oracle Database 19c Performance and Tuning Management Sample Questions (Q27-Q32):

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