Which common query problems are identified by the Query Profile? (Select TWO.)
A.
Syntax error
B.
Inefficient pruning
C.
Ambiguous column names
D.
Queries too large to fit in memory
E.
Object does not exist or not authorized
The Answer Is:
B, D
This question includes an explanation.
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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