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Question 91 - DEA-C01 discussion

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Data Engineer wants to analyze query performance & looking out for profiling information, He went to Query/Operator Details also called Profile Overview of Query Profile Interface & searching for statistics attributes around I/O. Which of the following information he can't get from there?

A.
Percentage scanned from cache — the percentage of data scanned from the local disk cache.
Answers
A.
Percentage scanned from cache — the percentage of data scanned from the local disk cache.
B.
Bytes written — bytes written (e.g. when loading into a table).
Answers
B.
Bytes written — bytes written (e.g. when loading into a table).
C.
External bytes scanned — bytes read from an external object, e.g. a stage.
Answers
C.
External bytes scanned — bytes read from an external object, e.g. a stage.
D.
Bytes sent over the wireframe — amount of data sent over the wireframe
Answers
D.
Bytes sent over the wireframe — amount of data sent over the wireframe
E.
Bytes read from result — bytes read from the result object.
Answers
E.
Bytes read from result — bytes read from the result object.
Suggested answer: D

Explanation:

To help you analyze query performance, Query/Operator Details panel also called Profile overview panel provides two classes of profiling information:

· Execution time, broken down into categories

· Detailed statistics

Apart from Option à Bytes sent over the wireframe — amount of data sent over the wireframe , Rest of the Statistics Information provided by Query/Operator details in the Query Profile Inter-face.

To Know More about the Query/Operator Details options , please refer the link:

https://docs.snowflake.com/en/user-guide/ui-query-profile#query-operator-details

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asked 23/09/2024
Brian Carlo Hubilla
36 questions
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