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Oracle Certification Oracle Database 19c: Performance Management and Tuning

Oracle Database 19c: Performance Management and Tuning

Last Update Apr 2, 2025
Total Questions : 55

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Questions 2

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

Options:

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.

Discussion 0
Questions 3

Examine this statement and its corresponding execution plan:

Questions 3

Which phase introduces the CONCATENATION step?

Options:

A.  

SQL Semantic Check

B.  

SQL Execution

C.  

SQL Row Source Generation

D.  

SQL Transformation

E.  

SQL Adaptive Execution

Discussion 0
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Questions 4

Which three statements are true about server-generated alerts?

Options:

A.  

They are notifications from the Oracle Database Server of an existing or impending problem.

B.  

They provide notifications but never any suggestions for correcting the identified problems.

C.  

They are logged in the alert log.

D.  

They can be viewed only from the Cloud Control Database home page.

E.  

Their threshold settings can be modified by using DBMS_SERVER_ALERT.

F.  

They may contain suggestions for correcting the identified problems.

Discussion 0
Questions 5

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

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