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Databricks Certified Data Engineer Associate Exam - Topic 1 Question 14 Discussion

Actual exam question for Databricks's Databricks Certified Data Engineer Associate exam
Question #: 14
Topic #: 1
[All Databricks Certified Data Engineer Associate Questions]

Which of the following describes a benefit of creating an external table from Parquet rather than CSV when using a CREATE TABLE AS SELECT statement?

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Suggested Answer: E

by Leota at Oct 19, 2023, 08:49 AM

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Desmond
3 months ago
Not sure about the Delta tables thing, seems a bit off.
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Tamesha
3 months ago
Partitioning is a game changer for performance!
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Alpha
3 months ago
Wait, can Parquet really be optimized? Sounds too good to be true.
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Lamonica
4 months ago
Totally agree, that's a big plus!
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Kina
4 months ago
Parquet files have a well-defined schema.
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Keena
4 months ago
I’m confused about the Delta tables option. I don’t recall if that’s a direct benefit of using Parquet in this context.
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Annice
4 months ago
I practiced a question similar to this, and I feel like optimization is a key benefit of using Parquet files.
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Alyssa
4 months ago
I'm not entirely sure, but I remember something about partitioning being a big advantage of Parquet over CSV.
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Leigha
5 months ago
I think Parquet files are better because they have a well-defined schema, which helps with data consistency.
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Jolanda
5 months ago
I'm a bit confused by the wording of the question. Does it mean the benefit of using Parquet compared to CSV, or the benefit of using Parquet in a CREATE TABLE AS SELECT statement specifically? I'll need to read it carefully.
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Artie
5 months ago
The well-defined schema and optimization capabilities of Parquet files seem relevant here. I'll need to weigh the options and see which one best describes the main benefit.
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Dalene
5 months ago
Partitioning is definitely a key advantage of Parquet files, so I'm leaning towards option A. But I want to double-check the other choices to make sure I'm not missing anything.
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Daniel
5 months ago
Hmm, I'm a bit unsure about the differences between Parquet and CSV in the context of a CREATE TABLE AS SELECT statement. I'll need to think this through carefully.
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Werner
5 months ago
This looks like a straightforward question about the benefits of using Parquet over CSV. I'm pretty confident I can tackle this one.
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Patrick
5 months ago
I've got this! The AS-Path field should be 64512, since the "remove-private" command is configured on PE1 to eliminate BGP loops in the VPRN.
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Hobert
5 months ago
I'm a little confused by the wording of this question. What exactly is "reconciliation" in this context? I want to make sure I understand the concept before selecting an answer.
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Dorethea
5 months ago
This seems straightforward enough. I'll just compare the values and select the option that matches.
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Theron
5 months ago
This one seems pretty straightforward. The key requirements are encryption and line-rate throughput, so I'm thinking MACsec is the way to go.
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France
5 months ago
I feel like I remember something about "clientHealthWired" being part of the response, but I'm not completely sure about the second one.
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Ulysses
10 months ago
Wait, are we sure Parquet files can be partitioned? That would be a pretty big advantage over CSV. I'm going with option A just to be safe.
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Ashlyn
10 months ago
Hah, option B is a classic trick question. Of course you can use CREATE TABLE AS SELECT on files, that's one of the main benefits of Parquet over CSV!
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Mitsue
9 months ago
D) Parquet files have the ability to be optimized
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Jovita
9 months ago
C) Parquet files have a well-defined schema
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Fletcher
9 months ago
A) Parquet files can be partitioned
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Sol
10 months ago
I'm not sure about this one. Do Parquet files really become Delta tables? That sounds like a bit of a stretch to me.
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Shantay
9 months ago
D) Parquet files have the ability to be optimized
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Denny
9 months ago
C) Parquet files have a well-defined schema
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Lyda
10 months ago
A) Parquet files can be partitioned
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Millie
10 months ago
Option D seems like the best answer to me. Parquet files can be optimized, which can improve performance when working with large datasets.
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Azalee
11 months ago
I also think that Parquet files have the ability to be optimized, which can improve performance when working with large datasets.
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Merissa
11 months ago
I think option C is the correct answer. Parquet files have a well-defined schema, which makes it easier to work with than CSV files.
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Jamika
9 months ago
Definitely, it's a key benefit when working with external tables.
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Dannie
9 months ago
That's true, it helps with data organization and efficiency.
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Cary
10 months ago
C) Parquet files have a well-defined schema
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Howard
10 months ago
Parquet files having a well-defined schema does make it easier to work with.
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Nada
10 months ago
A) Parquet files can be partitioned
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Felicitas
10 months ago
I agree, option C is the correct answer.
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Adelina
11 months ago
I agree with Mozell. Having a well-defined schema can make querying and analyzing the data much easier.
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Mozell
11 months ago
I think the benefit of creating an external table from Parquet is that Parquet files have a well-defined schema.
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