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C
ertinside
Certinside-
Leading the way in studying IT certificaitons
Exam
:
Oracle 1Z0
-
054
Title
:
Oracle Database 11g:
Performance Tuning
Version
:
Demo
ertНnsНde
CertinsideBraindumps Thesafer,easierwaytohelpyoupassanyITCertificationexams.
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E r t i n s i d e
CertinsideBraindumps Thesafer,easierwaytohelpyoupassanyITCertificationexams.
1. After running SQL Performance Analyzer (SPA), you observe a few regressed SQL statements in the
SPA output. Identify the two a
ctions that you would suggest for these regressed SQL statements. (Choose
two.)
A. Running SQL Access Advisor
B. Adding them to SQL Plan Baseline
C. Submitting them to SQL Tuning Advisor
D. Running Automatic Database Diagnostic Monitor (ADDM)
Answer:
BC
2. View the Exhibit exhibit1 to examine the series of SQL commands and parameter settings.
View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline.
The first plan (in red) is created when OPTIMIZER_MODE is set to ALL_ROWS and
the second plan (in
blue) is created when OPTIMIZER_MODE is set to FIRST_ROWS.
Which SQL plan baseline would be used if the SQL query in exhibit1 is executed again when the value of
E r t i n s i d e
CertinsideBraindumps Thesafer,easierwaytohelpyoupassanyITCertificationexams.
OPTIMIZER_MODE is set to FIRST_ROWS?
A. the second plan, because it is a
fixed plan
B. the first plan, because it is an accepted plan
C. the second plan, because it is the latest generated plan in FIRST_ROW mode
D. A new plan, because the second plan in FIRST_ROW mode is not an accepted plan
Answer:
B
3. You work as a DBA for
a company and you have the responsibility of managing one of its online
transaction processing (OLTP) systems. The database encountered performance
-
related problems and you
generated an Automatic Workload Repository (AWR) report to investigate it further.
View the Exhibits and examine the AWR report.
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