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Oracle Database 19c Performance and Tuning Management Sample Questions:

1. You need to transport performance data from a Standard Edition to an Enterprise Edition database. What is the recommended method to do this?

A) Export the data by using the exp utility and parameter file spuexp.par from the Statspack repository and import it by using imp into a dedicated Statspack schema on the destination.
B) Export the data by using expdp from the ftatspack repository and import it by using impdp into the AWR repository.
C) Export the data by using the expdp utility and parameter file spuexp.par from the Statspack repository and import it by using impdp into Export the data by using expdp from the Statspack repository and import it by using impdp into the AWR repository.
D) Export the data by using expdp from Statspack and import it by using
$ORACLE_HOME/rdbms/admin/awrload into the AWRrepository.

2. Which two statements are true about Data Pump import for objects that used the in Memory (IM) column store in their source database?

A) Its INMEM0RY_CLAUSE of the Data Pump Export allows modifications to IM column store clause of a table with existing INMEMORY setting.
B) It ignores the IM column store clause of the exporting objects.
C) It must always transports existing INMEMORY attributes.
D) Its TRANSFORM clause can be used to add the INMEMORV clause to exported tables that lack them.
E) It always gives preference to the IM column store clause defined at the tablespace level over table-level definitions.
F) It can generates the INMEMORY clause that matches the table settings at export time.

3. You use SQL Tuning Advisor to tune a given SQL statement.
The analysis eventually results in the implementation of a SQL Profile.
You then generate the new SQL Profile plan and enforce it using a SQL PlanBaselinebut forget to disable the SQLProfile and a few days later you find out that the SQL Profile is generating a new execution plan.
Which two statements are true?

A) The existence of two concurrent plan stability methods generates a child cursor for every execution.
B) The SQL Plan Baseline must be accepted in order to be used for the execution plan.
C) The execution plan is the one enforced by the SQL Plan Baseline.
D) The conflict between the two plan stability methods results in an error.
E) The SQL Profiles as well as SQL Plan Baseline are implemented using hints, so they both generate the same plan.
F) The execution plan is the one enforced by the SQL Profile.

4. Which two statements are true about disabling Automatic Shared Memory Management (ASMM)?

A) It requires a database instance restart to take effect.
B) All auto-tuned SGA components are reset to their original user-defined values.
C) The SGA size remains unaffected after disabling ASMM.
D) All SGA components retain their current sizes at the time of disabling.
E) Both SGA_TARGET and SGA_MAX_SIZE must be set to zero.
F) All SGA components excluding fixed SGA and other internal allocations are readjusted immediately after disabling ASMM.

5. You execute the following:
EXECUTE DBMS_AuTO_TASK_ADMIN.DISABLE;
Which advisor remains enabled?

A) SQL Plan Management Evolve Advisor
B) Automatic Segment Advisor
C) Automatic SQL Tuning
D) Automatic Optimizer Statistics Collection
E) Optimizer Statistics Advisor

Solutions:

Question # 1 Answer: A

Question # 2 Answer: D,F

Question # 3 Answer: B,F

Question # 4 Answer: C,D

Question # 5 Answer: D