Which three are SQL Performance Analyzer capabilities that enable forecasting impact of system changes on a SQL workload?
A. measuring performance before and after the change
B. generating a list of SQL Hints that the Optimizer will use to improve overall performance
C. identifying the SQL statements that regressed or improved
D. providing tuning recommendations for each SQL statement that is regressed
E. measuring performance and comparing to industry benchmarks (TPC-C, TPC-D)
F. measuring a change in user session logins
When performing performance analysis of Oracle Real Application Cluster (RAC) databases, what are three Automatic Database Diagnostics Monitoring (ADDM) analysis modes that are available?
A. Database
B. Instance
C. Partial
D. Sample
E. Average
Which statement is true about implementation of an Oracle Database Performance and Tuning solution?
A. It is available for Oracle Database Standard and Enterprise Editions.
B. It is applicable for Oracle Database 12c and later versions.
C. It builds on capabilities built into Oracle databases.
D. It is recommended for Production environments, but not for Development or QA.
E. It is delivered with Oracle Engineered Systems.
Which is a prerequisite for using an Oracle Database Performance and Tuning solution?
A. Linux Operating system
B. 8 GB of memory
C. Oracle Database Enterprise Edition
D. Oracle Enterprise Manager
E. deep knowledge of Oracle Storage subsystems
Which two situations help to identify that a customer as already using Oracle Diagnostics Pack for Oracle Database functions?
A. The customer has Enterprise Manager installed on a separate server and regularly accesses the Databasehome page of some of its Enterprise Edition databases from its console.
B. A customer says that he or she doesn't use Enterprise Manager, but you learn that the customer routinelyexecutesawrrpt.sqlfrom the SQLPlus prompt.
C. A customer has theCONTROL_MANAGEMENT_PACK_ACCESSinitialization parameter set toDIAGNOSTIC +TUNING.
D. A customer says that he or she doesn't use Enterprise Manager, but you learn that the customer has SQLscripts that access theDBA_HIST_ACTIVE_SESS_HISTORYdatabase view.
E. A customer says that he or she doesn't use theEnterprise Manager, but you learn that the customer usescustomized SQL scripts that accessV$SESSIONandV$SQLviews.
Which is used to preserve SQL execution plans of existing statements when moving from one version of the database to another?
A. SQLHints
B. Stored Outlines
C. Stored Profiles
D. SQL Plan Management
E. SQL Profiles
You are reviewing an Automatic Database Diagnostic Monitor report. What is DB Time% a percentage of?
A. total CPU time
B. elapsed response time
C. total time in database calls by all processes
D. total time in V$ views
E. time that users wait for the database to respond
As of Oracle Database 12c, which functionality to access database diagnostic and performance has been superseded by Oracle Enterprise Manager Database Express?
A. SQL Developer
B. SQL Plus
C. Database console
D. SQL Express
E. Grid Control
When preparing a new database installation, you want to ensure automatic collection of timed statistics. Which three configuration parameters are applicable?
A. STATISTICS_LEVEL parameter set to TYPICAL
B. STATISTICS_LEVELparameter set to All
C. TIMED_STATISTICSparameter set to true
D. ALL_TIMED_STATISTICSparameter set to TRUE
E. AUTO_STATSparameter set to TRUE
F. STATISTICS_LEVELparameter set to BASIC.
For which use case would you utilize SQL Performance Analyzer and optimizer pending statistics functionality?
A. to test performance after an upgrade to an Oracle Real Application Cluster
B. to test performance of an Operating System patch
C. to test effect of new Optimizer statistics
D. to test performance after a database upgrade
E. to test performance just after a database reboot
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