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CompTIA DS0-001 Exam - Topic 5 Question 29 Discussion

Which of the following NFs is considered the most preferable for relational database design?
D) 2NF
A) 1 NF
B) 3 NF
C) 4 NF

CompTIA DS0-001 Exam - Topic 5 Question 29 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 29
Topic #: 5
[All DS0-001 Questions]

Which of the following NFs is considered the most preferable for relational database design?

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Suggested Answer: D

The instruction that is found on a Linux command-line script and represents a system shell is #!/bin/bash. This instruction is called a shebang or a hashbang, and it indicates the interpreter that should be used to execute the script. In this case, the interpreter is /bin/bash, which is the path to the bash shell, a common system shell for Linux. A system shell is a program that provides an interface for users to interact with the operating system, either through commands or scripts. A system shell can also perform various tasks, such as file management, process control, variable assignment, etc. The other options are either incorrect or not typical for this purpose. For example, /bin/bash is the path to the bash shell, but it does not indicate the interpreter for the script; #/bin/shell is not a valid shebang or a path to a system shell; >/bin/sh is a redirection operator followed by a path to a system shell, but it does not indicate the interpreter for the script.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 Sheron at Sep 16, 2024, 01:48 PM

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Arlette
10 months ago
Not sure about 2 NF being a good choice at all.
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Nieves
10 months ago
1 NF is just the starting point, right?
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Kristal
10 months ago
Wait, isn't 4 NF better for certain cases?
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Jaclyn
10 months ago
Totally agree, 3 NF helps eliminate redundancy.
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Domitila
11 months ago
3 NF is the most preferred for relational design!
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Leota
11 months ago
I feel like 1NF is important for basic structure, but I agree that 3NF is usually what we aim for in most cases.
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Aracelis
11 months ago
I’m a bit confused; I thought 4NF was the highest and therefore the best? Maybe I’m mixing it up with something else.
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Linsey
11 months ago
I remember practicing a question about normalization levels, and 3NF was definitely highlighted as the standard for good design.
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Lizbeth
11 months ago
I think 3NF is the most preferable, but I’m not entirely sure why it’s better than 2NF.
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Junita
11 months ago
I'm a little uncertain about the nuances between 2NF, 3NF, and 4NF. Maybe I'll try to eliminate the options I'm less sure about first.
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Cornell
11 months ago
I remember the instructor emphasizing that 3NF is the industry standard and the most widely used normal form. I feel confident in selecting that option.
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Tonette
11 months ago
Hmm, I'm a bit confused on the differences between the normal forms. I'll need to review that section of the material again before answering this.
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Loren
11 months ago
I'm pretty sure 3NF is the most preferable for relational database design, but I'll double-check my notes to make sure.
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King
11 months ago
3NF is definitely the way to go for optimal database design. It strikes the right balance between eliminating redundancy and maintaining data integrity.
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Mickie
12 months ago
This is a good test of my understanding of concurrency in Java. I'll need to be careful to use the right methods for Runnable and Callable, and make sure I'm not making any assumptions about the order of execution.
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Francis
1 year ago
3 NF, hands down! Anything higher than that just seems like overkill for most real-world database needs. But hey, at least it's not 1 NF - that would be a rookie move!
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Patria
1 year ago
I think 3 NF is the way to go for most projects, keeps things organized without going overboard.
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Gertude
1 year ago
Yeah, 3 NF is definitely the sweet spot for most relational databases.
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Robt
1 year ago
I agree, 3 NF strikes a good balance between normalization and practicality.
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Rosenda
1 year ago
Hmm, 3 NF sounds right, but I wonder if 2 NF could also be a good choice in some cases. Gotta love these tricky database questions!
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Marilynn
1 year ago
Definitely 3 NF, right? I remember learning that it's the most preferred normal form for relational databases.
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Alverta
1 year ago
I agree with the first user, 3 NF is the way to go for relational database design.
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Sherman
1 year ago
I think it's 2 NF actually, because it eliminates partial dependencies.
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Victor
1 year ago
Yes, you're correct! 3 NF is indeed the most preferable for relational database design.
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Marya
1 year ago
I'm pretty sure it's 3 NF, but I'm not 100% sure. I need to review my database design concepts again.
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Francesco
1 year ago
Let's review our database design concepts to be sure.
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Latricia
1 year ago
Yeah, 3 NF is the most commonly used for database design.
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Karon
1 year ago
I remember studying that 3 NF is the most preferable for relational database design.
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Avery
1 year ago
Yeah, 3 NF is definitely the way to go for relational database design.
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Jacinta
1 year ago
I remember learning that 3 NF helps reduce data redundancy and improves data integrity.
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Albina
1 year ago
I think it's 3 NF too, it's the most commonly used for relational database design.
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Venita
1 year ago
I think it's 3 NF too, but let's double check.
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Nida
1 year ago
I prefer 2 NF because it ensures all attributes are fully functionally dependent on the primary key.
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Gerald
1 year ago
I agree with Brittni, 3 NF reduces data redundancy.
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Brittni
1 year ago
I think 3 NF is the most preferable.
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