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Exam Certified Data Analyst Associate topic 1 question 25 discussion

Actual exam question from Databricks's Certified Data Analyst Associate
Question #: 25
Topic #: 1
[All Certified Data Analyst Associate Questions]

A data analyst has been asked to use the below table sales_table to get the percentage rank of products within region by the sales:

The result of the query should look like this:

Which of the following queries will accomplish this task?

  • A.
  • B.
  • C.
  • D.
  • E.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by MrWood47 at Jan. 27, 2024, 6:06 p.m.

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d046bc0
4 months, 1 week ago
Percent_rank is used to have ranking from 0 . Rank() returns 1 as the first number. B would be correct without GROUP BY clause. But looks better than other options ;/
upvoted 1 times
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Devscope
7 months, 1 week ago
Given all the other answers, B is the one that makes more sense However the GROUP BY clause does not make sense, we are not aggregating anything in this case, and it is not even possible to run that query without having an error. Anyone with a different idea?
upvoted 2 times
csrazdan
1 month, 1 week ago
Agree. Also, the output column should be named as rank as per this option but in the sample output it is shown as sales
upvoted 1 times
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MrWood47
7 months, 2 weeks ago
Selected Answer: B
Provided answer is correct
upvoted 2 times
...

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A (35%)
C (25%)
B (20%)
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