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SAP Exam C_ABAPD_2309 Topic 3 Question 41 Discussion

Actual exam question for SAP's C_ABAPD_2309 exam
Question #: 41
Topic #: 3
[All C_ABAPD_2309 Questions]

What are some features of a unique secondary key? Note: There are 2 correct answers to this question.

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Suggested Answer: C, D

A unique secondary key is a type of secondary key that ensures that the key combination of all the rows in a table is unique.A unique secondary key has two purposes: firstly, to speed up access to the table, and secondly, to enforce data integrity1.

It is created with the first read access of a table: This is true. A unique secondary key is created when an internal table is filled for the first time using the statement READ TABLE or a similar statement.The system assigns a name and an index to each row of the table based on the key fields23.

It is updated when the modified table is read again: This is false. A unique secondary key does not need to be updated when the internal table content changes, because it already ensures data uniqueness.The system uses a lazy update strategy for non-unique secondary keys, which means that it delays updating them until they are actually accessed23.

You cannot do any of the following:

It is created when a table is filled: This is false.As explained above, a unique secondary key is created only with the first read access of a table23.

It is updated when the modified table is read again: This is false.As explained above, a unique secondary key does not need to be updated when the internal table content changes23.


by Selma at Jun 13, 2025, 09:00 PM

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Ciara
26 days ago
Haha, this question is a real brainteaser! I'm just going to guess and hope for the best. Maybe the answer is A and D, or maybe it's B and C. Who knows?
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Maurine
28 days ago
Hmm, I'm not sure about that. I think it is created when a table is filled.
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Tiffiny
29 days ago
I believe a unique secondary key is updated when the table is modified.
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Maurine
30 days ago
I think a unique secondary key is created with the first read access of a table.
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Callie
1 months ago
I don't know, guys. I'm pretty sure the secondary key is updated when the modified table is read again, not when it's filled or modified. That's what option B says.
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Dahlia
24 days ago
I agree, that makes sense. It wouldn't make sense for the key to be created when the table is filled.
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Gail
25 days ago
I think you're right. Option B says that the secondary key is updated when the modified table is read again.
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Christiane
1 months ago
Hmm, I'm not sure about that. Shouldn't the secondary key be created with the first read access of the table? That's what option C says.
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Marguerita
3 days ago
So, the unique secondary key is created and updated based on the first read access and any subsequent modifications to the table.
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Cammy
9 days ago
Actually, both option C and option D are correct. The secondary key is also updated when the table is modified.
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Corrinne
1 months ago
Option C is correct. The secondary key is indeed created with the first read access of the table.
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Alpha
1 months ago
I think A and D are the correct answers. The secondary key is created when the table is filled, and it's updated when the table is modified.
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Jeniffer
20 days ago
Yes, the secondary key is created when the table is filled and updated when the table is modified.
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Jeniffer
1 months ago
I agree, A and D are the correct answers.
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