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Question 161 - SnowPro Core discussion

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What is an advantage of using an explain plan instead of the query profiler to evaluate the performance of a query?

A.
The explain plan output is available graphically.
Answers
A.
The explain plan output is available graphically.
B.
An explain plan can be used to conduct performance analysis without executing a query.
Answers
B.
An explain plan can be used to conduct performance analysis without executing a query.
C.
An explain plan will handle queries with temporary tables and the query profiler will not.
Answers
C.
An explain plan will handle queries with temporary tables and the query profiler will not.
D.
An explain plan's output will display automatic data skew optimization information.
Answers
D.
An explain plan's output will display automatic data skew optimization information.
Suggested answer: B

Explanation:

An explain plan is beneficial because it allows for the evaluation of how a query will be processed without the need to actually execute the query.This can help in understanding the query's performance implications and potential bottlenecks without consuming resources that would be used if the query were run

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asked 23/09/2024
Jose Manuel Belmonte Martinez
34 questions
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