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Exam SnowPro Core topic 1 question 547 discussion

Actual exam question from Snowflake's SnowPro Core
Question #: 547
Topic #: 1
[All SnowPro Core Questions]

What does it mean when the sample function uses the Bernoulli sampling method?

  • A. The data is based on sampling every row.
  • B. The data is based on sampling 10% of the source data.
  • C. The data is based on sampling blocks of the source data.
  • D. The data is based on sampling 1000 rows of the source data.
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Suggested Answer: A 🗳️
by Simbajagnole at Feb. 23, 2023, 11:37 p.m.

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[Removed]
6 months, 1 week ago
Selected Answer: A
BERNOULLI (or ROW): Includes each row with a probability of p/100. Similar to flipping a weighted coin for each row. SYSTEM (or BLOCK): Includes each block of rows with a probability of p/100. Similar to flipping a weighted coin for each block of rows. This method does not support fixed-size sampling. Sampling method is optional. If no method is specified, the default is BERNOULLI.
upvoted 2 times
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MultiCloudIronMan
9 months, 3 weeks ago
Selected Answer: A
correct
upvoted 1 times
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okurok
1 year, 1 month ago
Selected Answer: A
https://docs.snowflake.com/en/sql-reference/constructs/sample#syntax
upvoted 2 times
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bibisa
1 year, 2 months ago
Selected Answer: A
BERNOULLI (or ROW): Includes each row with a probability of p/100. Similar to flipping a weighted coin for each row.
upvoted 2 times
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ShagunMittal
1 year, 2 months ago
Selected Answer: A
BERNOULLI (or ROW): Includes each row with a probability of p/100. Similar to flipping a weighted coin for each row.
upvoted 2 times
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Simbajagnole
1 year, 2 months ago
Selected Answer: A
Each row
upvoted 2 times
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C (25%)
B (20%)
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