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Question 507 - COF-C02 discussion

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Which common query problems are identified by the Query Profile? (Select TWO.)

A.
Syntax error
Answers
A.
Syntax error
B.
Inefficient pruning
Answers
B.
Inefficient pruning
C.
Ambiguous column names
Answers
C.
Ambiguous column names
D.
Queries too large to fit in memory
Answers
D.
Queries too large to fit in memory
E.
Object does not exist or not authorized
Answers
E.
Object does not exist or not authorized
Suggested answer: B, D

Explanation:

The Query Profile in Snowflake can identify common query problems, including:

B . Inefficient pruning: This refers to the inability of a query to effectively limit the amount of data being scanned, potentially leading to suboptimal performance.

D . Queries too large to fit in memory: This indicates that a query requires more memory than is available in the virtual warehouse, which can lead to spilling to disk and degraded performance.

The Query Profile helps diagnose these issues by providing detailed execution statistics and visualizations, aiding in query optimization and troubleshooting.

References:

Snowflake Documentation: Query Profile

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asked 23/09/2024
Saysha Vargas
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