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Oracle Certification Oracle Database 19c Performance and Tuning Management

Oracle Database 19c Performance and Tuning Management

Last Update May 8, 2024
Total Questions : 55

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Questions 4

What are the least elevated values of statistics_level and C0NTR0LJ4ANAGEMENT_PACK_ACCESS that allow the usage of Monitoring of Database Operations?

Options:

A.  

STATISTICS_LEVEL=ALL and CONTROL_MANAGEMENT_PACK_ACCESS=DIAGOSTIC+TUNING

B.  

STATISTICS_LEVEL=BASIC and CONTROL_MANAGEMENT_PACK ACCESS=DIAGOSTIC

C.  

STATISTICS_LEVEL=TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS-DIAGOSTIC*TUNING

D.  

STATISTICS_LEVEL=TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS=DIAGOSTIC

Discussion 0
Questions 5

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

Options:

A.  

Statistics Feedback

B.  

SQL Plan Directives

C.  

Statistics Collector

D.  

Automatic Reoptimization

E.  

Dynamic Statistics

Discussion 0
Questions 6

Which application lifecycle phase could be managed reactively?

Options:

A.  

Design and development

B.  

Upgrade or migration

C.  

Testing

D.  

Production

E.  

Deployment

Discussion 0
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Questions 7

Buffer cache access is too frequent when querying the SALES table. Examine this command which executes successfully:

ALTER TABLE SALES SHRINK SPACE;

For which access method does query performance on sales improve?

Options:

A.  

db file scattered read

B.  

db file sequential read

C.  

index full scan

D.  

index range scan

Discussion 0

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