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CompTIA DS0-001 Exam - Topic 1 Question 45 Discussion

A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table.Which of the following describes where the undo is stored?
D) In the temporary
A) In the system global area
B) In the undo
C) In the SYSAUX

CompTIA DS0-001 Exam - Topic 1 Question 45 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 45
Topic #: 1
[All DS0-001 Questions]

A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table.

Which of the following describes where the undo is stored?

Show Suggested Answer Hide Answer
Suggested Answer: D

The correct answer is D. When undo management with temporary undo is enabled, the undo data is stored in the temporary tablespace instead of the undo tablespace. The temporary tablespace is a tablespace that stores temporary data such as sort results or intermediate query results. The undo data is the data that records the changes made by transactions on the database. Undo data is used to roll back transactions in case of errors or failures, or to provide read consistency for concurrent queries. By storing undo data in the temporary tablespace, the database can reduce the space consumption and contention in the undo tablespace, and improve performance and scalability. The other options are either incorrect or irrelevant for this question. For example, the system global area is a memory area that stores information shared by all sessions connected to an instance; the undo tablespace is a tablespace that stores undo data by default; the SYSAUX tablespace is a tablespace that stores auxiliary information for various database features.Reference:CompTIA DataSys+ Course Outline, Domain 3.0 Database Management and Maintenance, Objective 3.1 Given a scenario, perform common database maintenance tasks.


by Malcom at Aug 14, 2025, 08:21 PM

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Shaunna
9 months ago
No way, it’s not in SYSAUX!
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Jonelle
9 months ago
Wait, is that really how it works?
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Una
9 months ago
Undo is stored in the temporary tablespace.
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Florinda
9 months ago
Definitely in the temporary space!
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Glenn
10 months ago
I thought it was in the system global area?
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Lucia
10 months ago
I feel like I read that undo is not in SYSAUX, but I can't recall where exactly it goes when temporary undo is enabled.
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Floyd
10 months ago
I’m a bit confused about the temporary undo part. Does that mean it could be stored in the temporary tablespace instead?
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Nu
10 months ago
I remember practicing a question like this, and I think the undo is actually stored in the undo tablespace, which might relate to option B.
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Micaela
11 months ago
I think the undo might be stored in the system global area, but I'm not entirely sure.
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Roosevelt
11 months ago
Okay, I think I've got it. Since the question mentions temporary undo, the undo must be stored in the temporary area, not the system global area or SYSAUX. I'll go with D.
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Wilda
11 months ago
I'm a bit confused on this one. I know undo is used for rollbacks, but I'm not sure where it's stored in this specific scenario. I'll have to review my notes on undo management.
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Matthew
11 months ago
I'm pretty confident the answer is D. The question specifically says the undo is stored in the temporary area when temporary undo is enabled.
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Delmy
11 months ago
Okay, let's see. The question mentions undo management and temporary undo, so I'm guessing the undo is stored somewhere temporary, not in the system global area or SYSAUX.
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Avery
11 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about where the undo is stored when temporary undo is enabled.
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Oretha
12 months ago
I believe it is stored in the temporary tablespace because temporary undo is enabled.
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Kathryn
12 months ago
I think the undo is stored in the undo tablespace.
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Ozell
1 year ago
I'm pretty sure the undo is stored in the temporary tablespace. This seems like a straightforward question.
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Julene
12 months ago
B) In the undo
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Cassandra
1 year ago
A) In the system global area
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