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Question 614 - COF-C02 discussion

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Which Snowflake feature or tool helps troubleshoot issues in SQL query expressions that commonly cause performance bottlenecks?

A.
Persisted query results
Answers
A.
Persisted query results
B.
QUERY_HISTORY View
Answers
B.
QUERY_HISTORY View
C.
Query acceleration service
Answers
C.
Query acceleration service
D.
Query Profile
Answers
D.
Query Profile
Suggested answer: D

Explanation:

The Snowflake feature that helps troubleshoot issues in SQL query expressions and commonly identify performance bottlenecks is the Query Profile. The Query Profile provides a detailed breakdown of a query's execution plan, including each operation's time and resources consumed. It visualizes the steps involved in the query execution, highlighting areas that may be causing inefficiencies, such as full table scans, large joins, or operations that could benefit from optimization.

By examining the Query Profile, developers and database administrators can identify and troubleshoot performance issues, optimize query structures, and make informed decisions about potential schema or indexing changes to improve performance.

References:

Snowflake Documentation on Query Profile: Using the Query Profile

asked 23/09/2024
Yannik Huith blu Systems GmbH
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