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Snowflake SnowPro Advanced Data Engineer

Verified practice questions with detailed answers, clear explanations, and community discussion.

  • 162

    questions

  • 8 days ago

    last updated

  • 4.8/5

    overall rating

Question 1 of 162

A Data Engineer is investigating a query that is taking a long time to return. The Query Profile shows the following:

Exam SnowPro Advanced Data Engineer: Question 1 - Image 1

What step should the Engineer take to increase the query performance?

Answer choices
Show answer

Correct answer: B

The query profile indicates that a significant amount of data (37.59 GB) is being spilled to local storage. This is a clear sign that the virtual warehouse does not have enough memory to handle the query efficiently. Spilling to disk is much slower than processing data in memory. To address this, the engineer should increase the size of the virtual warehouse, which will provide more memory and reduce or eliminate the need for disk spilling, thus improving query performance.

Community votes

10 votes

BSuggested

100%

Question 2 of 162

How can the following relational data be transformed into semi-structured data using the LEAST amount of operational overhead?

Exam SnowPro Advanced Data Engineer: Question 2 - Image 1
Answer choices
Show answer

Correct answer: C

To transform relational data into semi-structured data with the least operational overhead, the OBJECT_CONSTRUCT function in Snowflake is an efficient choice. This function constructs a JSON-like output by taking column names and their corresponding values from a table. This operation is simple and direct, avoiding the need for intermediate steps or conversions, making it the least overhead solution among the options provided.

Community votes

12 votes

CSuggested

92%

B

8%

Question 3 of 162

A Data Engineer executes a complex query and wants to make use of Snowflake’s query results caching capabilities to reuse the results.

Which conditions must be met? (Choose three.)

Answer choices
Show answer

Correct answers: D, E, F

Snowflake reuses a cached query result only when it can guarantee the result is still identical. The new query must match the earlier one exactly, including syntax, the underlying table data and structure must be unchanged, and the micro-partitions must not have been rewritten by any change to other data in the table, since the cache is tied to the exact set of partitions that produced the result. Results stay in the cache for 24 hours, extended each time they are reused up to a maximum of 31 days, so a 72-hour window is not one of the conditions. The result cache is shared across all virtual warehouses, and it is used by default without any parameter in the query text.

Community votes

15 votes

DEFSuggested

73%

BDE

27%

Question 4 of 162

A Data Engineer needs to load JSON output from some software into Snowflake using Snowpipe.

Which recommendations apply to this scenario? (Choose three.)

Answer choices
Show answer

Correct answers: B, D, E

Snowflake's loading guidance for Snowpipe favors compressed files of roughly 100 to 250 MB or larger, which keeps the per-file overhead of Snowpipe's charges immaterial, while very large files above about 1 GB slow loading and error recovery. For JSON specifically, each unique element should hold a single native data type, because mixed strings and numbers in the same key force Snowflake to store the values as text, and elements that contain nulls are best extracted into relational columns before loading so they do not bloat the VARIANT storage. Loading a single huge array as one row defeats the columnar storage, and staging files smaller than 100 MB more often than once a minute raises cost without improving latency.

Community votes

7 votes

BDESuggested

100%

Question 5 of 162

Given the table SALES which has a clustering key of column CLOSED_DATE, which table function will return the average clustering depth for the SALES_REPRESENTATIVE column for the North American region?

Answer choices
Show answer

Correct answer: B

The table function system$clustering_depth is used to return the average clustering depth for a specified set of columns, with an additional optional filter condition. Since the question specifies the need to calculate the average clustering depth for the sales_representative column in the North American region, this function perfectly fits the requirement.

Community votes

2 votes

BSuggested

100%

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Charles Sirois
Canada
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Lance Chambers
United States
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Alisha Kelly
Italy
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Casper Claassen
Netherlands
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Gabriele Ghesla
Italy
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
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United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
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Neil Savage
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A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Morgan Farmer
United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Remi Nuyts
United States
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Archie Hopkins
United States
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Nancy Mcbride
United States
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Neil Savage
United States
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.

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