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CompTIA DA0-002 Exam - Topic 3 Question 5 Discussion

Actual exam question for CompTIA's DA0-002 exam
Question #: 5
Topic #: 3
[All DA0-002 Questions]

[Data Acquisition and Preparation]

A data analyst needs to create a combined report that includes information from the following two tables:

Managers table

ID

First_name

Last_name

Job_title

1001

John

Doe

Manager

1002

Jane

Roe

Director

Non-managers table

ID

First_name

Last_name

Job_title

1003

Robert

Roe

Business Analyst

1004

Jane

Doe

Sales Representative

1005

John

Roe

Operations Analyst

Which of the following query methods should the analyst use for this task?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Christiane at Jun 13, 2025, 05:34 PM

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Luisa
2 months ago
Union won't work here, wrong structure!
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Portia
2 months ago
Wait, can you really use Join for this?
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Alline
2 months ago
I agree, Join is the way to go.
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Bulah
3 months ago
Nested queries? Nah, too complicated for this.
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Twana
3 months ago
Definitely a Join! Gotta combine those tables.
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Raymon
3 months ago
I feel like Join is definitely the way to go here. It seems to fit the requirement of merging the two tables based on IDs.
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Lashandra
3 months ago
I'm leaning towards Nested queries, but I can't recall if they are necessary for this type of task. It feels a bit complex.
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Zachary
4 months ago
I remember practicing a question like this where we had to combine tables. I think Union was used for stacking data, not merging it.
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Latrice
4 months ago
I think we might need to use a Join since we're combining data from two related tables, right? But I'm not completely sure.
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Rashida
4 months ago
This is a good example of where I need to carefully read the question and understand the data structure before jumping to a solution. I'll need to evaluate the pros and cons of each approach to determine the best query method for this task.
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Marget
4 months ago
Based on the question, I think a JOIN is the way to go here. The goal is to create a combined report, so linking the two tables on a common field like the ID column seems like the logical solution.
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Roxane
4 months ago
I'm a bit confused on the best approach for this. Should I be using a GROUP BY to aggregate the data, or is a JOIN or UNION the way to go? I'll need to think this through carefully.
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Sena
5 months ago
Hmm, I'm not sure if a JOIN is the best approach here. The data seems to be split across two different tables, so I might need to consider a UNION instead to get all the records.
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Aliza
5 months ago
This looks like a pretty straightforward data integration task. I'd go with a JOIN to combine the two tables and get all the relevant information in one report.
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Malcom
7 months ago
B) Join is definitely the way to go here. It's the classic way to combine data from multiple tables. Although, I have to say, a UNION would be more fun. Who doesn't love a good old-fashioned data merge?
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Elvis
5 months ago
UNION can be fun, but JOIN is more efficient for this task.
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Cory
5 months ago
I agree, JOIN is the best method for combining data from different tables.
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Brice
6 months ago
B) Join is definitely the way to go here. It's the classic way to combine data from multiple tables. Although, I have to say, a UNION would be more fun. Who doesn't love a good old-fashioned data merge?
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Elmira
7 months ago
A) Group
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Lou
7 months ago
Hmm, I'm not sure. I was thinking maybe C) Union would work, since we want to combine the data from both tables. But you make a good point about using a JOIN.
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Callie
6 months ago
You're right, Join would be more appropriate for this task. It helps us merge the tables based on a shared key.
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Lorriane
7 months ago
I think B) Join would be the best option here. It allows us to combine the data based on a common column.
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Lauran
8 months ago
I'm not sure about Join. I think Union could also work because it combines the results of two queries into a single result set.
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Stephanie
8 months ago
I think the correct answer is B) Join. We need to combine the data from the two tables, and a JOIN operation would be the best way to do that.
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Louis
7 months ago
C) Union
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Arlette
7 months ago
B) Join
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Josephine
7 months ago
A) Group
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Viola
8 months ago
I agree with Dorsey. Join is the right query method for this task because it combines data based on a related column.
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Dorsey
8 months ago
I think the analyst should use a Join to combine the information from the two tables.
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