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

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?
E) Parquet files will become Delta tables
A) Parquet files can be partitioned
B) CREATE TABLE AS SELECT statements cannot be used on files
C) Parquet files have a well-defined schema
D) Parquet files have the ability to be optimized

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
7 months ago
Not sure about the Delta tables thing, seems a bit off.
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Tamesha
8 months ago
Partitioning is a game changer for performance!
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Alpha
8 months ago
Wait, can Parquet really be optimized? Sounds too good to be true.
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Lamonica
8 months ago
Totally agree, that's a big plus!
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Kina
8 months ago
Parquet files have a well-defined schema.
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Keena
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 months ago
This seems straightforward enough. I'll just compare the values and select the option that matches.
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Theron
9 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
10 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
1 year 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
1 year 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
1 year ago
D) Parquet files have the ability to be optimized
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Jovita
1 year ago
C) Parquet files have a well-defined schema
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Fletcher
1 year ago
A) Parquet files can be partitioned
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Sol
1 year 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
1 year ago
D) Parquet files have the ability to be optimized
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Denny
1 year ago
C) Parquet files have a well-defined schema
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Lyda
1 year ago
A) Parquet files can be partitioned
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Millie
1 year 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
1 year 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
1 year 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
1 year ago
Definitely, it's a key benefit when working with external tables.
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Dannie
1 year ago
That's true, it helps with data organization and efficiency.
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Cary
1 year ago
C) Parquet files have a well-defined schema
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Howard
1 year ago
Parquet files having a well-defined schema does make it easier to work with.
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Nada
1 year ago
A) Parquet files can be partitioned
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Felicitas
1 year ago
I agree, option C is the correct answer.
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Adelina
1 year ago
I agree with Mozell. Having a well-defined schema can make querying and analyzing the data much easier.
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Mozell
1 year 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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