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CompTIA DS0-001 Exam - Topic 5 Question 47 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 47
Topic #: 5
[All DS0-001 Questions]

A database professional is considering denormalizing a database. Which of the following documents should be used to analyze the database's structure?

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Suggested Answer: D

The document that should be used to analyze the database's structure is an ERD. An ERD, or Entity Relationship Diagram, is a graphical representation of the entities (tables), attributes (columns), and relationships (constraints) in a database. An ERD helps to visualize the structure and design of the database, as well as the dependencies and associations among the tables. An ERD can also help to evaluate the level of normalization of the database, which is a process that organizes data into tables and columns to reduce redundancy and improve consistency. By using an ERD, a database professional can consider denormalizing a database, which is a process that introduces some redundancy or duplication of data to improve performance or simplify queries. The other options are either different types of documents or not related to the database's structure. For example, an SOP, or Standard Operating Procedure, is a document that describes the steps and procedures for performing a specific task or operation; a data dictionary is a document that describes the metadata (information about data) of a database; a UML diagram is a graphical representation of a software system or its components using the Unified Modeling Language (UML).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 Tayna at Nov 20, 2025, 02:49 AM

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Benedict
21 days ago
I lean towards D) ERD for structure analysis. It’s clear and concise.
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Nikita
27 days ago
Definitely B) Data dictionaries. They show data types and constraints.
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Erick
1 month ago
C) UML diagrams might be useful, but not as much as B or D.
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Chara
1 month ago
I feel like A) SOP is too general for this task.
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Isreal
1 month ago
I agree, but D) ERD could also help visualize relationships.
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Azalee
2 months ago
Surprised no one mentioned normalization first!
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Willard
2 months ago
Wait, UML diagrams? Are those really relevant here?
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Kaycee
2 months ago
I think data dictionaries are also super useful for this.
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Sanda
3 months ago
Denormalizing, huh? Sounds like a recipe for a database disaster. Good luck with that!
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Miss
3 months ago
B) Data dictionaries, no doubt. Gotta love those data types and field lengths.
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Tish
3 months ago
C) UML diaqrams? Really? I think the database team needs to brush up on their spelling.
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Anglea
3 months ago
D) ERD all the way! Visualizing that database structure is key.
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Nana
3 months ago
I feel like SOPs are more about procedures, not really what I need for analyzing the database structure.
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Hildred
3 months ago
UML diagrams seem relevant too, but I can't recall if they focus more on processes than database structure.
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Kate
4 months ago
I remember practicing with ERDs and how they help visualize relationships, so I might lean towards that option.
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Oren
4 months ago
I think we talked about data dictionaries in class, but I'm not entirely sure if they're the best choice for analyzing structure.
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Penney
4 months ago
I'm a little confused by this question. Wouldn't the SOP (Standard Operating Procedure) also be relevant if you're looking at denormalizing the database? That might have some guidance on the process.
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Wenona
4 months ago
Definitely go with the ERD. That's going to give you the clearest picture of how the database is structured and where the potential issues might be if you're considering denormalizing.
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Lavina
4 months ago
I think B) Data dictionaries is the best choice. They provide detailed info.
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Chau
4 months ago
B) Data dictionaries are the way to go! Gotta love those data definitions.
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Candra
5 months ago
Definitely need to check the ERD for structure!
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Argelia
5 months ago
I disagree, SOPs won't help with analyzing structure.
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Yun
5 months ago
ERD is the way to go here. That's going to show you the relationships between the tables and entities, which is crucial when you're thinking about denormalizing. The other options don't seem as directly relevant.
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Glory
5 months ago
Hmm, I'm a bit unsure about this one. I know ERDs are important for database design, but I'm not sure if that's the only relevant document. Maybe the data dictionaries could also provide useful information?
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Chun
5 months ago
I think the key here is to focus on the database structure, so I'd go with option D - the ERD (Entity Relationship Diagram) would be the best document to analyze.
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Mirta
14 hours ago
True, ERDs are essential for understanding the layout.
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Renato
6 days ago
I’d say option B could also be useful, but ERD is key.
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Rachael
11 days ago
Definitely! It helps visualize the structure.
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Dana
16 days ago
I agree, the ERD really shows the relationships clearly.
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