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CompTIA DS0-001 Exam - Topic 1 Question 41 Discussion

A database administrator needs to aggregate data from multiple tables in a way that does not impact the original tables, and then provide this information to a department. Which of the following is the best way for the administrator to accomplish this task?
A) Create a materialized view.
B) Create indexes on those tables
C) Create a new database.
D) Create a function.

CompTIA DS0-001 Exam - Topic 1 Question 41 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 41
Topic #: 1
[All DS0-001 Questions]

A database administrator needs to aggregate data from multiple tables in a way that does not impact the original tables, and then provide this information to a department. Which of the following is the best way for the administrator to accomplish this task?

Show Suggested Answer Hide Answer
Suggested Answer: A

The best way for the administrator to accomplish this task is to create a materialized view. A materialized view is a type of view that stores the result of a query on one or more tables as a separate table in the database. A materialized view can aggregate data from multiple tables in a way that does not impact the original tables, and then provide this information to a department as a single source of truth. A materialized view also improves query performance and efficiency by reducing the need to recompute complex queries every time they are executed. The other options are either not suitable or not optimal for this task. For example, creating indexes on those tables may improve query performance on individual tables, but not on aggregated data; creating a new database may require additional resources and maintenance, and may introduce inconsistency or redundancy; creating a function may require additional coding and execution, and may not store the result as a separate table.Reference:CompTIA DataSys+ Course Outline, Domain 2.0 Database Deployment, Objective 2.2 Given a scenario, create database objects using scripting and programming languages.


by Linn at Jun 15, 2025, 07:51 PM

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Fletcher
9 months ago
Functions are useful, but not for this specific task.
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Joanna
9 months ago
Creating indexes won't help with aggregation, so that's not it.
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Larae
9 months ago
Totally agree, option A is the best choice here!
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Billye
9 months ago
A materialized view is a great way to aggregate data without altering original tables.
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Krystina
10 months ago
Wait, can a new database really be the answer? Seems excessive!
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Fletcher
10 months ago
I practiced a similar question where a materialized view was the answer, so I’m leaning towards that option again.
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Kattie
10 months ago
Creating a new database seems excessive for just aggregating data. I feel like there has to be a simpler solution.
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Emilio
10 months ago
I'm not entirely sure, but I remember something about indexes being more for performance rather than aggregation.
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Cruz
10 months ago
I think creating a materialized view might be the right choice since it allows for aggregation without altering the original tables.
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Micah
11 months ago
I think creating a materialized view is the best option here. It will allow the administrator to provide the aggregated data to the department without making any changes to the original tables.
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Darell
11 months ago
I'm a little confused by this question. I'm not sure if creating indexes or a new database is the right solution here. I'll need to review the differences between the options more carefully.
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Justine
11 months ago
Ah, I know this one! Creating a materialized view is definitely the way to go. It will give the department the aggregated data they need without affecting the original tables.
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German
11 months ago
Hmm, I'm a bit unsure about this one. I'm trying to decide between creating a materialized view or a function. I'll need to think it through carefully.
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Phyliss
11 months ago
This seems like a straightforward question. I think creating a materialized view would be the best approach to aggregate the data without impacting the original tables.
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Matthew
1 year ago
Wait, they want to create a new database just to aggregate some data? That's like using a sledgehammer to crack a nut. Materialized views all the way!
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Lewis
1 year ago
Indexes? That's not going to help with aggregating data across multiple tables. The materialized view is the way to go here.
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Jennifer
1 year ago
A function could work, but it might not be as efficient as a materialized view. Plus, the question specifically asks for the best way to accomplish the task.
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Reyes
1 year ago
Creating a new database? Really? That's overkill for this task. I'd go with the materialized view option.
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Alline
1 year ago
A materialized view seems like the best option to aggregate data without impacting the original tables. It's a great way to provide the department with the information they need.
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Delila
12 months ago
B) Create indexes on those tables
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Rene
12 months ago
A) Create a materialized view.
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Rusty
1 year ago
B) Create indexes on those tables
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Arleen
1 year ago
A) Create a materialized view.
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Pura
1 year ago
I'm not sure. Creating a new database could also work, but it might be too drastic of a solution.
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Luann
1 year ago
I agree with Emilio. Materialized views can store the aggregated data separately without impacting the original tables.
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Emilio
1 year ago
I think the best way is to create a materialized view.
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