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Snowflake Exam COF-C02 Topic 10 Question 49 Discussion

Actual exam question for Snowflake's COF-C02 exam
Question #: 49
Topic #: 10
[All COF-C02 Questions]

Which Query Profile metrics will provide information that can be used to improve query performance? (Select TWO).

Show Suggested Answer Hide Answer
Suggested Answer: B, D

Two key metrics in Snowflake's Query Profile that provide insights for performance improvement are:

Remote Disk IO: This measures the time the query spends waiting on remote disk access, indicating potential performance issues related to I/O bottlenecks.

Pruning: This metric reflects how effectively Snowflake's micro-partition pruning is reducing the data scanned. Better pruning (more partitions excluded) leads to faster query performance, as fewer micro-partitions need to be processed.

These metrics are essential for identifying and addressing inefficiencies in data retrieval and storage access, optimizing overall query performance.


Contribute your Thoughts:

Vivan
1 months ago
B and E, without a doubt. Remote disk IO and Spillage are the dynamic duo of query optimization. Just don't ask me to explain what they actually do - that's what the textbooks are for!
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Jolene
2 months ago
A and D, all the way! Synchronization and Pruning are the secret sauce to unlocking that sweet, sweet query performance. Although, I do hear Remote disk IO is the new craze among the kids these days.
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Ira
23 days ago
Yeah, Remote disk IO seems to be gaining popularity too. It's worth looking into.
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Frederica
26 days ago
I agree, Synchronization and Pruning are key for improving query performance.
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India
2 months ago
C and E, for sure. Local disk IO and Spillage are the bread and butter of any good query optimization strategy. Just don't tell my boss I said that.
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Celestina
1 months ago
I agree, those metrics can really make a difference in optimizing queries.
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Pilar
1 months ago
Local disk IO and Spillage are definitely key metrics for improving query performance.
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Keshia
2 months ago
I'm not sure about Synchronization and Remote disk IO, do they really impact query performance?
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Vernice
2 months ago
I agree with Elina, those metrics are crucial for optimizing queries.
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Elina
2 months ago
I think Local disk IO and Pruning can help improve query performance.
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Shalon
2 months ago
D and E definitely! Pruning and Spillage are key to optimizing query performance. But who doesn't love a good disk IO binge, am I right?
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Arminda
1 months ago
Local disk IO is important too, can't overlook that metric.
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Brittani
1 months ago
Remote disk IO can also play a significant role in improving query performance.
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Lauran
1 months ago
Definitely, Pruning and Spillage are key metrics to focus on.
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Jaime
2 months ago
I agree, D and E are crucial for optimizing query performance.
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