Oracle Exam 1Z0-497 Topic 4 Question 81 Discussion

Actual exam question for Oracle's 1Z0-497 exam

Question #: 81
Topic #: 4

[All 1Z0-497 Questions]

Which two statements are true regarding undo data records?

AThey are required to support Flashback features.

BThey are not required if Flashback features are enabled.

CThey are retained until the session making the changes ends.

DUndo records contain copies of data as it appears after a change is made.

EUndo records contain copies of data as it appears before a change is made.

Show Suggested Answer

Suggested Answer: C

http://www.orafaq.com/forum/t/67825/0/ (see the second post)

by An at Oct 20, 2023, 02:18 PM

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Destiny

2 months ago

Undo data records? More like 'Undo my life choices' am I right? But seriously, if I'm going to remember anything from this question, it's that undo records contain copies of data as it appears before a change is made. That's just common sense, right?

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Helga

12 days ago

That's true, undo data records are necessary for Flashback features and they do contain data before changes.

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Margery

1 months ago

I think they are required to support Flashback features as well.

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Cary

1 months ago

Yeah, undo records definitely contain copies of data before a change is made.

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Casie

2 months ago

Hmm, let me think about this... I'm going to go with B and D. Undo records are not required if Flashback features are enabled, and they contain copies of data as it appears after a change is made. Wait, is that right? I need to double-check my notes...

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Emmett

8 days ago

User 4: Emmett is correct. Undo records do contain copies of data as it appears before a change is made.

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Jeanice

13 days ago

User 3: I think Rory is mistaken. Undo records contain copies of data as it appears before a change is made.

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Rory

19 days ago

User 2: Rory is correct. Undo records are retained until the session making the changes ends.

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Lashaun

1 months ago

User 1: Undo records are required to support Flashback features.

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Colton

2 months ago

Come on, this is easy! The answers are A and E. Undo records are required to support Flashback features, and they contain copies of data as it appears before a change is made. Piece of cake!

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Keneth

2 months ago

Wow, this question is really tricky! I'm pretty sure the answers are C and E, though. Undo records are retained until the session making the changes ends, and they contain copies of data as it appears before a change is made.

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Ollie

1 months ago

Yes, and they do contain copies of data before a change is made.

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Kendra

1 months ago

I think you're right, undo records are retained until the session ends.

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Danica

2 months ago

Yes, undo records are kept until the session ends and they do contain data before changes.

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Hector

2 months ago

I think you're right, C and E are the correct answers.

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Val

2 months ago

But undo data records are needed for Flashback features, so A must be correct.

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Dana

2 months ago

I disagree, I believe it's C and D.

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Val

2 months ago

I think the correct answers are A and E.

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Sonia

2 months ago

I think the correct answers are E and A. Undo records contain copies of data as it appears before a change is made, and they are required to support Flashback features.

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