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CompTIA DA0-002 Exam - Topic 5 Question 11 Discussion

Actual exam question for CompTIA's DA0-002 exam
Question #: 11
Topic #: 5
[All DA0-002 Questions]

[Data Acquisition and Preparation]

A data analyst is gathering data from multiple tables in a database. The analyst needs certain columns from each table. Which of the following is the best method to accomplish this task?

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Suggested Answer: D

by Anissa at Nov 22, 2025, 03:50 PM

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Erick
18 hours ago
I think B) Union could work too, but not as efficiently.
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Luz
6 days ago
Haha, I bet the analyst is wishing they had a magic "Nest" button to do all the work for them!
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Cyril
11 days ago
D) Join is the correct answer. The other options don't seem relevant to this task.
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Leota
16 days ago
I agree with D) Join. It's the standard way to combine data from multiple sources in a database.
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Avery
21 days ago
D) Join is definitely the way to go. It's the most efficient way to get the specific columns you need from each table.
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Rodrigo
27 days ago
I think the best method is D) Join. It allows you to combine data from multiple tables based on a common column.
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Danilo
1 month ago
I practiced a similar question, and I believe Join is definitely the way to go for this scenario.
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Cheryll
1 month ago
I'm not entirely sure, but I remember something about Union being used to combine rows, not columns.
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Reiko
1 month ago
I think the best method might be a Join, since it allows you to combine columns from different tables based on a related key.
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Amina
2 months ago
I'm leaning towards JOIN as well. That allows me to select just the columns I need from each table and put them together. I don't think UNION or the other options would work as well for this particular task.
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Rory
2 months ago
JOIN seems like the obvious choice here. I can use that to pull the specific columns I need from each table and combine them all together. As long as the column names match up, this should be a straightforward solution.
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Ryan
2 months ago
Okay, let me think this through. I need to get data from multiple tables, and I only want certain columns from each one. I'm pretty sure JOIN is the way to go, but I'll double-check the definitions just to be sure.
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Xochitl
2 months ago
Definitely go with D) Join for this!
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Catalina
2 months ago
I think D) Join is the best choice. It combines rows from different tables.
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Jennie
3 months ago
Join makes sense! It’s all about relationships between tables.
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Chaya
3 months ago
I feel like Nest could be relevant, but I can't recall exactly how it applies to pulling specific columns.
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Germaine
3 months ago
Hmm, I'm a bit unsure about this one. I'm trying to decide between JOIN and UNION. I know JOIN combines data from multiple tables, but I'm not sure if that's the best option here.
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Dana
3 months ago
I think the best approach here is to use a JOIN to combine the data from the multiple tables. That way I can select just the specific columns I need from each table.
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Lakeesha
2 months ago
I agree, JOIN is the way to go!
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