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Exam SnowPro Advanced Data Engineer All Questions

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Exam SnowPro Advanced Data Engineer topic 1 question 6 discussion

Actual exam question from Snowflake's SnowPro Advanced Data Engineer
Question #: 6
Topic #: 1
[All SnowPro Advanced Data Engineer Questions]

A large table with 200 columns contains two years of historical data. When queried, the table is filtered on a single day. Below is the Query Profile:

Using a size 2XL virtual warehouse, this query took over an hour to complete.
What will improve the query performance the MOST?

  • A. Increase the size of the virtual warehouse.
  • B. Increase the number of clusters in the virtual warehouse.
  • C. Implement the search optimization service on the table.
  • D. Add a date column as a cluster key on the table.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by stopthisnow at Oct. 21, 2023, 12:50 p.m.

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aba2s
2 months, 2 weeks ago
Selected Answer: D
Here since, only data on a single date is needed, we don't need to scan all the table nor all micro-partitions. So adding a date column as a cluster key sound right.
upvoted 1 times
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rbeam
7 months, 4 weeks ago
Selected Answer: D
although there are bytes spilling, but compare with the size, it is not much, so option B may improve, but not much. considering filter is on a single field, option D make sense.
upvoted 2 times
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prshntdxt7
10 months, 3 weeks ago
are these 71 questions enough to prepare for advanced DE exam ?
upvoted 1 times
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stopthisnow
1 year ago
Selected Answer: D
D makes sense
upvoted 2 times
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stopthisnow
1 year ago
Selected Answer: D
D Clustering key will not scan the full table which is what is required here.
upvoted 2 times
...

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