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CompTIA Exam DS0-001 Topic 2 Question 33 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 33
Topic #: 2
[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 Carri at Dec 05, 2024, 08:40 PM

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Ahmed
12 days ago
RID is the way to go, no doubt. Locking rows with anything else is like trying to juggle chainsaws.
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Aliza
13 days ago
TID? More like TILDA, amirite? RID is definitely the way to go, folks.
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Kandis
16 days ago
PID? More like PID-dle in the database, am I right? Let's stick with the tried and true RID.
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Tom
25 days ago
I heard locking rows with RIDs is a surefire way to give your database a hardcore workout. #LetsGetPhysical
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Pearlene
2 days ago
D) PID
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Malissa
4 days ago
C) RID
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Alline
7 days ago
B) SID
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Nan
17 days ago
A) TID
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Maryann
1 months ago
I personally prefer using SID for locking rows, as it simplifies the process and reduces conflicts.
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Jennie
1 months ago
But RID provides a unique identifier for each row, making it more efficient for locking.
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Candida
1 months ago
I disagree, I believe using TID is the best option for locking rows.
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Jennie
1 months ago
I think the best way to lock rows in SQL Server is using RID.
upvoted 0 times
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