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CompTIA DS0-001 Exam - Topic 4 Question 15 Discussion

Which of the following statements contains an error?
A) Select EmpId from employee where EmpId=90030
B) Select EmpId where EmpId=90030 and DeptId=34
C) Select* from employee where EmpId=90030
D) Select EmpId from employee

CompTIA DS0-001 Exam - Topic 4 Question 15 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 15
Topic #: 4
[All DS0-001 Questions]

Which of the following statements contains an error?

Show Suggested Answer Hide Answer
Suggested Answer: A

The tool that is used for natively running a Linux system in Windows is WSL. WSL, or Windows Subsystem for Linux, is a feature that allows users to run a Linux system natively on Windows 10 or Windows Server. WSL enables users to install and use various Linux distributions, such as Ubuntu, Debian, Fedora, etc., and run Linux commands, tools, applications, etc., without requiring a virtual machine or a dual-boot setup. WSL also provides users with interoperability and integration between Linux and Windows, such as file system access, network communication, process management, etc. WSL is useful for users who want to use Linux features or functionalities on Windows, such as development, testing, scripting, etc. The other options are either different tools or not related to running a Linux system in Windows at all. For example, Remote Desktop Protocol (RDP) is a protocol that allows users to remotely access and control another computer or device over a network; SSH, or Secure Shell, is a protocol that allows users to securely connect and communicate with another computer or device over a network; Telnet is a protocol that allows users to interact with another computer or device over a network using a text-based interface.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 Catarina at May 02, 2024, 10:51 AM

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Leonardo
10 months ago
Wait, is it really okay to select without a table?
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Maryln
10 months ago
D is too vague, needs a WHERE clause.
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Erick
10 months ago
C looks good to me, what's the issue?
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Broderick
10 months ago
I think A is fine, no errors there.
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Chau
11 months ago
Statement B is missing the table name.
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Albert
11 months ago
I thought option C was incorrect because of the missing space between "Select" and "*", but I guess that's not a syntax error in SQL.
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Eileen
11 months ago
I feel like option D is also suspicious because it doesn't have a WHERE clause, but I guess it could still return all EmpIds.
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Leigha
11 months ago
I'm not entirely sure, but I remember a practice question where missing the table name caused an error. Could it be option B?
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Alfred
11 months ago
I think option B might be the one with an error since it doesn't specify the table name after "Select EmpId."
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Berry
11 months ago
Ugh, SQL queries can be tricky. I'll have to think through each statement carefully to spot the error. Hopefully, I can eliminate a few options and make an educated guess.
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Chara
11 months ago
Option A looks good to me - that's the correct way to select a specific employee ID. I'm confident I can get this one right.
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Huey
11 months ago
Hmm, I'm a bit unsure about this one. I'll need to double-check my SQL knowledge to make sure I identify the right statement with an error.
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Rozella
11 months ago
This looks like a pretty straightforward SQL query question. I'll carefully read through each option and think about the correct syntax.
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Deeanna
12 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the code and think about how the `toLowerCase()` method works.
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Nana
12 months ago
I think Azure Key Vault is the best choice here since it's specifically designed for securely storing and managing sensitive data like certificates.
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Ryan
12 months ago
Okay, let me see here. I'm pretty sure it has something to do with the contact center settings, but I'm not confident which specific option it is. I'll have to make an educated guess.
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Rasheeda
1 year ago
Wait, aren't we supposed to use single quotes around the values? Like 'EmpId = '90030''? These SQL purists are getting out of hand!
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Stephane
1 year ago
C looks good to me. Selecting all columns from the employee table where EmpId = 90030 seems like the correct statement.
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Rodolfo
1 year ago
C looks good to me. Selecting all columns from the employee table where EmpId = 90030 seems like the correct statement.
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Ariel
1 year ago
D) Select EmpId from employee
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Ronny
1 year ago
C) Select* from employee where EmpId=90030
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Micah
1 year ago
B) Select EmpId where EmpId=90030 and DeptId=34
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Justine
1 year ago
A) Select EmpId from employee where EmpId=90030
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Chaya
1 year ago
Haha, D is the winner! Who needs to specify the column when you can just select everything, right? #LazyProgrammer
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Antonette
1 year ago
I think B is the one with an error. The syntax should be 'SELECT EmpId FROM employee WHERE EmpId = 90030 AND DeptId = 34'.
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Ty
1 year ago
D is the one with the error, it should specify a condition after 'FROM employee'.
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Leslie
1 year ago
I think C is incorrect, it should be 'SELECT * FROM employee WHERE EmpId = 90030'.
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Hollis
1 year ago
I agree, B seems to have a syntax error.
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Kristel
1 year ago
The correct answer is A. The statement should be 'SELECT EmpId FROM employee WHERE EmpId = 90030'.
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Caitlin
1 year ago
Got it, thanks for the correction!
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Maynard
1 year ago
Yes, the correct syntax is 'SELECT EmpId FROM employee WHERE EmpId = 90030'.
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Amos
1 year ago
Thanks for pointing that out!
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Gabriele
1 year ago
D) Select EmpId from employee
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Karan
1 year ago
C) Select* from employee where EmpId=90030
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Suzi
1 year ago
B) Select EmpId where EmpId=90030 and DeptId=34
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Elin
1 year ago
A) Select EmpId from employee where EmpId=90030
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Lorrie
1 year ago
I believe statement D is incorrect because it does not specify any condition for filtering the results.
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Lanie
1 year ago
I agree with Kati. The asterisk should not be used in the SELECT statement.
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Kati
1 year ago
I think statement C contains an error.
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Aliza
1 year ago
Why do you think option B is incorrect?
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Luisa
1 year ago
I disagree, I believe option B is the one with the error.
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Aliza
1 year ago
I think option C has an error.
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