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Exam DP-203 topic 1 question 23 discussion

Actual exam question from Microsoft's DP-203
Question #: 23
Topic #: 1
[All DP-203 Questions]

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure Storage account that contains 100 GB of files. The files contain rows of text and numerical values. 75% of the rows contain description data that has an average length of 1.1 MB.
You plan to copy the data from the storage account to an enterprise data warehouse in Azure Synapse Analytics.
You need to prepare the files to ensure that the data copies quickly.
Solution: You copy the files to a table that has a columnstore index.
Does this meet the goal?

  • A. Yes
  • B. No
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by michalS at Sept. 2, 2021, 2:58 p.m.

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bhanuprasad9331
Highly Voted 3 years, 2 months ago
From the documentation, loads to heap table are faster than indexed tables. So, better to use heap table than columnstore index table in this case. https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-index#heap-tables
upvoted 12 times
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Odoxtoom
Highly Voted 3 years, 6 months ago
Consider this sets one question: What should you do to improve loading times? What | Yes | No | compressed | O | O | columnstore | O | O | > 1MB | O | O | So now answers should be clear
upvoted 9 times
tbhtp
2 years, 7 months ago
I Think what he tried to show was: Set Answer Matrix What should you do to improve loading times? What | Yes | No | compressed | X | O | columnstore | O | X | > 1MB | O | X | So all three variations of this question and x is marking the correct answer.
upvoted 6 times
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Julius7000
3 years, 6 months ago
Can You explain this in more details?
upvoted 11 times
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helly13
3 years, 4 months ago
I really didn't understand this , can you explain?
upvoted 7 times
aurorafang
2 years, 8 months ago
it's a virtualized chart that the guy want to simplified the question set.
upvoted 2 times
ML_Novice
2 years, 7 months ago
but it becomes more complicated with this chart haha
upvoted 6 times
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Pey1nkh
Most Recent 2 months, 1 week ago
Selected Answer: A
- A columnstore index stores columns separately, allowing queries to only read relevant columns, making queries much faster! - Columnstore indexes automatically compress data, reducing storage size and I/O. - This is especially useful for large text data like descriptions and numerical values
upvoted 1 times
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moize
5 months ago
Selected Answer: A
Moi je vote A). Selon Copilot : Oui, copier les fichiers dans une table avec un index columnstore dans Azure Synapse Analytics peut répondre à l'objectif de copier les données rapidement. Les index columnstore sont conçus pour optimiser les performances des requêtes et la compression des données, ce qui est particulièrement utile pour les grandes quantités de données.
upvoted 1 times
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EmnCours
5 months ago
Selected Answer: B
Correct Answer: B
upvoted 1 times
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kkk5566
1 year, 7 months ago
Selected Answer: B
Answer is no ,u use HEAP idx
upvoted 1 times
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youngbug
2 years, 3 months ago
For fast loading to a table, using a staging table which is a heap table.
upvoted 1 times
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DindaS
2 years, 3 months ago
its always recommended to load the data into a staging where the table should be a heap table and data will be loaded using ROUND_ROBIN mechanism
upvoted 1 times
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Deeksha1234
2 years, 8 months ago
B is right
upvoted 1 times
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Janisys
2 years, 9 months ago
Correct Answer: B To achieve the fastest loading speed for moving data into a data warehouse table, load data into a staging table. Define the staging table as a heap and use round-robin for the distribution option
upvoted 5 times
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Deepshikha1228
2 years, 9 months ago
B is right
upvoted 1 times
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Amsterliese
3 years ago
Columnstore index would be used for faster reading, but the question is only about faster loading. So for faster loading you want the least possible overhead. So the answer should be no. Am I right?
upvoted 4 times
Muishkin
3 years ago
Yes load to a table without indexes for faster load right?
upvoted 1 times
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lionurag
3 years, 1 month ago
Selected Answer: B
B is correct
upvoted 3 times
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PallaviPatel
3 years, 3 months ago
Selected Answer: B
B is correct.
upvoted 1 times
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DE_Sanjay
3 years, 3 months ago
NO is the answer.
upvoted 1 times
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Mahesh_mm
3 years, 4 months ago
B is correct
upvoted 1 times
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rashjan
3 years, 4 months ago
Selected Answer: B
Correct Answer: No.
upvoted 2 times
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