nerdexam
Snowflake

COF-C02 · Question #320

Which statistics can be used to identify queries that have inefficient pruning? (Select TWO).

The correct answer is C. Partitions scanned D. Partitions total. The statistics that can be used to identify queries with inefficient pruning are Partitions scanned' and Partitions total'. These statistics indicate how much of the data was actually needed and scanned versus the total available, which can highlight inefficiencies in data…

Performance Management

Question

Which statistics can be used to identify queries that have inefficient pruning? (Select TWO).

Options

  • ABytes scanned
  • BBytes written to result
  • CPartitions scanned
  • DPartitions total
  • EPercentage scanned from cache

How the community answered

(25 responses)
  • A
    12% (3)
  • C
    84% (21)
  • E
    4% (1)

Explanation

The statistics that can be used to identify queries with inefficient pruning are Partitions scanned' and Partitions total'. These statistics indicate how much of the data was actually needed and scanned versus the total available, which can highlight inefficiencies in data pruning.

Topics

#Query Pruning#Performance Tuning#Micro-partitions#Query Statistics

Community Discussion

No community discussion yet for this question.

Full COF-C02 Practice