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CompTIA DS0-001 Exam - Topic 1 Question 14 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 14
Topic #: 1
[All DS0-001 Questions]

Which of the following resources is the best way to lock rows in SQL Server?

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Suggested Answer: C

The resource that is the best way to lock rows in SQL Server is RID. RID, or Row IDentifier, is an attribute that uniquely identifies each row in a heap table in SQL Server. A heap table is a table that does not have a clustered index, which means that the rows are not stored in any particular order. A RID consists of the file number, page number, and slot number of the row in the database. A RID can be used to lock rows in SQL Server to prevent concurrent access or modification by other transactions or users. A RID lock is a type of lock that locks a single row using its RID. A RID lock can be applied using theHOLDLOCKorXLOCKhints in aSELECTstatement. The other options are either not related or not effective for this purpose. For example, TID, or Transaction IDentifier, is an attribute that uniquely identifies each transaction in a database; SID, or Security IDentifier, is an attribute that uniquely identifies each user or group in a Windows system; PID, or Process IDentifier, is an attribute that uniquely identifies each process in an operating system.Reference:CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.3 Given a scenario, implement database concurrency methods.


by Rodolfo at Apr 25, 2024, 10:29 PM

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Iluminada
3 months ago
Surprised to see TID mentioned so much, I always thought it was less common!
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Alex
3 months ago
Wait, I thought PID was the best option?
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Reiko
3 months ago
RID is often overlooked but can be useful too.
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Elouise
4 months ago
I disagree, SID can be more efficient in some cases.
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Avery
4 months ago
TID is the way to go for row locking!
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Jose
4 months ago
I’m leaning towards TID as the best option, but I wish I had reviewed more about the other types before the exam.
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Alaine
4 months ago
I’m a bit confused; I thought SID was more about session IDs rather than row locking.
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Kiley
4 months ago
I remember practicing a question about locking mechanisms, and I feel like RID could be relevant too.
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Zoila
5 months ago
I think TID might be the right answer since it relates to transaction IDs, but I'm not completely sure.
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Thurman
5 months ago
Okay, I think I've got a strategy for this. I'll eliminate the options that don't seem like the best fit and then make my final choice.
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Cassie
5 months ago
I'm a bit confused by the question. I'll need to double-check my understanding of the different locking resources in SQL Server.
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Patria
5 months ago
I'm pretty confident I know the answer to this. I'll go with option A - TID.
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Melita
5 months ago
I'm not too sure about this one. I'll have to review my notes on SQL Server locking to figure out the best approach.
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Remona
5 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about the different locking mechanisms in SQL Server.
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Dan
5 months ago
Whew, lots of details to keep track of here. I better make sure I don't miss any important assumptions or inputs when calculating that FCFF. Gotta stay focused and work through this step-by-step.
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Ahmad
5 months ago
Hmm, the foreign currency aspect is tricky. I'll need to think through the implications of a cash offer in B$ versus a share exchange.
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Amina
5 months ago
Hmm, this seems straightforward. I'd go with option B and ask my co-worker to read the email message and attachment details.
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Charlena
5 months ago
I'm not entirely sure, but I feel like network log might also be relevant, especially for TCP dumps.
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Abel
5 months ago
This one seems pretty straightforward. The risk in CDS price is directly related to the probability of default, so I'll go with option A.
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Misty
5 months ago
Okay, I think I've got a strategy here. The key is to minimize the number of steps and data transfers in the pipeline to meet the latency requirement. Creating an Authorized View and sharing it with the service account seems like the most direct approach.
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Geoffrey
2 years ago
I always use PID to lock rows, it has never failed me.
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Johnetta
2 years ago
I'm not sure, but I think using SID to lock rows is a common practice.
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Theodora
2 years ago
I disagree, I believe locking rows with RID is more reliable.
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Erasmo
2 years ago
I think the best way to lock rows in SQL Server is using TID.
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Boris
2 years ago
I agree, using RID is the best way to lock rows
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Gerardo
2 years ago
C) RID
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Willard
2 years ago
Which of the following resources is the best way to lock rows in SQL Server?
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Val
2 years ago
Incorrect.
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Carlton
2 years ago
B) SID
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Evangelina
2 years ago
Not quite.
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Fidelia
2 years ago
A) TID
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Anjelica
2 years ago
No, that's not the best way.
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Sherman
2 years ago
D) PID
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Muriel
2 years ago
That's correct!
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Francoise
2 years ago
C) RID
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