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Snowflake

COF-R02 · Question #85

What happens to the underlying table data when a CLUSTER BY clause is added to a Snowflake table?

The correct answer is D. Data may be colocated by the cluster key within the micro-partitions to improve pruning. See the full explanation below for the reasoning.

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

How the community answered

(44 responses)
  • A
    5% (2)
  • B
    16% (7)
  • C
    7% (3)
  • D
    73% (32)

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