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Adobe AD0-E716 Exam - Topic 8 Question 15 Discussion

An Adobe Commerce developer is trying to create a custom table using declarative schema, but is unable to do so.What are two errors in the snippet above? (Choose two.)
B) Column (entity_id) does not have index. It is needed since attribute identity is set to false.
A) Column (roll_no) does not have index. It is needed since attribute identity is set to true.
C) Column (student_name) does not have attribute length.
D) null is not a valid value for column (roll_no).

Adobe AD0-E716 Exam - Topic 8 Question 15 Discussion

Actual exam question for Adobe's AD0-E716 exam
Question #: 15
Topic #: 8
[All AD0-E716 Questions]

An Adobe Commerce developer is trying to create a custom table using declarative schema, but is unable to do so.

What are two errors in the snippet above? (Choose two.)

Show Suggested Answer Hide Answer
Suggested Answer: B

The developer can add a custom filter to the virtual type MagentoCatalogModelApiSearchCriteriaCollectionProcessorProductFilterProce5sor for supplier_id field. In the custom filter, the developer can apply the needed join and filter to the passed $collection. This is the recommended way to extend the search criteria for products using dependency injection and plugins. Verified Reference: [Magento 2.4 DevDocs] [Magento Stack Exchange]


by Louvenia at Feb 09, 2024, 04:18 PM

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Huey
7 months ago
I disagree with D, null values can be valid depending on the context.
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Valda
7 months ago
D is a bit surprising, I thought null was allowed in some cases.
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Fernanda
7 months ago
C seems off, how can you not set length for student_name?
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Kayleigh
7 months ago
I think B is wrong too, entity_id should have an index.
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Lauran
7 months ago
A is definitely an error, needs an index for identity.
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Marsha
8 months ago
I thought entity_id should have an index if identity is false, but I can't recall if that applies to option B. It feels a bit tricky.
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Tawanna
8 months ago
I practiced a similar question where null values were mentioned, so I wonder if option D could be a valid error here.
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Lakeesha
8 months ago
I'm not entirely sure, but I feel like the length attribute for columns is important, which makes option C a possibility.
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Vi
8 months ago
I remember something about needing an index for identity attributes, so I think option A might be correct.
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Tiffiny
8 months ago
Hmm, the student_name column also seems to be missing the attribute length. That's probably another thing I'll need to address.
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Juan
8 months ago
I think the second issue might be with the entity_id column. Since the identity attribute is set to false, it should have an index, but it doesn't look like it does.
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Monte
8 months ago
Okay, let's see. The first issue seems to be that the roll_no column doesn't have an index, even though the identity attribute is set to true. That's probably an important one to fix.
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Bok
8 months ago
Hmm, I'm a bit confused by the schema here. I'll need to double-check the documentation on declarative schema to make sure I understand the requirements.
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Hollis
8 months ago
This looks like a tricky one. I'll need to carefully review the schema and check for any missing or incorrect attributes.
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Laurel
8 months ago
Configuration Auditing sounds right to me. That's the component that deals with checking the consistency and completeness of the configuration information.
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Daniela
9 months ago
Ah, I remember learning about thin clients in my IT class. The ability to restrict access and prevent unauthorized software installation is a big advantage. I'll make sure to highlight that in my answer.
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Maile
9 months ago
I feel like options A and B are focused on traffic shaping, but I can't recall the specifics of how to ensure 10 MB is always reserved for high-priority traffic.
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Camellia
9 months ago
I remember we talked about equivalence partitioning in class and how it helps in identifying valid and invalid inputs, but I'm not entirely sure how many partitions this scenario would create.
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Rosita
1 year ago
I bet the developer was like, 'Null? That's a valid value, right? *scratches head*'
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Dante
1 year ago
B) Column (entity_id) does not have index. It is needed since attribute identity is set to false.
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Felicitas
1 year ago
A) Column (roll_no) does not have index. It is needed since attribute identity is set to true.
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Trina
1 year ago
B) Column (entity_id) does not have index. It is needed since attribute identity is set to false.
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Katy
1 year ago
A) Column (roll_no) does not have index. It is needed since attribute identity is set to true.
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Cecil
1 year ago
Bob
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Hubert
1 year ago
B) Column (entity_id) does not have index. It is needed since attribute identity is set to false.
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Hubert
1 year ago
A) Column (roll_no) does not have index. It is needed since attribute identity is set to true.
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Jani
1 year ago
But the column (roll_no) does need an index because attribute identity is set to true, and null is not a valid value for column (roll_no).
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Juliana
1 year ago
I disagree, I believe the errors are B and C.
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Jani
1 year ago
I think the errors are A and D.
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