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COF-C02 · Question #680
COF-C02 Question #680: Real Exam Question with Answer & Explanation
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Performance Concepts
Question
What happens to the underlying table data when a CLUSTER BY clause is added to a Snowflake table?
Options
- AData is hashed by the cluster key to facilitate fast searches for common data values
- BLarger micro-partitions are created for common data values to reduce the number of partitions that
- CSmaller micro-partitions are created for common data values to allow for more parallelism
- DData may be colocated by the cluster key within the micro-partitions to improve pruning
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Topics
#Automatic Clustering#Micro-partitions#Query Optimization#Data Pruning