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READ Free Dumps For Oracle- 1z0-117





Question ID 2535

Examine the following query and execution plan:
 
 
Which query transformation technique is used in this scenario?
 

Option A

A.    Join predicate push-down
 

Option B

B.    Subquery factoring
 

Option C

C.    Subquery unnesting
 

Option D

D.    Join conversion

Correct Answer A
Explanation


Question ID 2537

You enabled auto degree of parallelism (DOP) for your instance.
Examine the query:
 
Which two are true about the execution of this query?

Option A

A.    Dictionary DOP will be used, if present, on the tables referred in the query.
 

Option B

B.    DOP is calculated if the calculated DOP is 1.
 

Option C

C.    DOP is calculated automatically.
 

Option D

D.    Calculated DOP will always by 2 or more.

 

Option E

E.    The statement will execute with auto DOP only when PARALLEL_DEGREE_POLICY is set to AUTO.

Correct Answer A,C
Explanation

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