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Qlik QSDA2024 Exam - Topic 3 Question 11 Discussion

Actual exam question for Qlik's QSDA2024 exam
Question #: 11
Topic #: 3
[All QSDA2024 Questions]

Exhibit.

Refer to the exhibit.

The data architect needs to build a model that contains Sales and Budget data for each customer. Some customers have Sales without a Budget, and other customers have a Budget with no Sales.

During loading, the data architect resolves a synthetic key by creating the composite key.

For validation, the data architect creates a table that contains Customer, Month, Sales, and Budget columns.

What will the data architect see when selecting a month?

Show Suggested Answer Hide Answer
Suggested Answer: A

In the scenario where the data model is built with a composite key (keyYearMonthCustNo) to resolve synthetic keys, the following outcomes occur:

Sales and Budget Data Integration:

The composite key ensures that each combination of Year, Month, and Customer is uniquely represented in the combined Sales and Budget data.

During data selection (e.g., when a specific month is selected), Qlik Sense will show all the customer names that have either Sales or Budget data associated with that month.

Resulting Data View:

For the selected month, customers with sales records will display their Sales data. However, if the corresponding Budget data is missing, the Budget column will contain null values.

Similarly, if a customer has a Budget but no Sales data for the selected month, the Sales column will show null values.

Validation Outcome: When the data architect selects a month, they will see the following:

Customer Names and Sales records for the selected month, where the Sales column will have values and the Budget column may contain null or non-null values depending on the data availability.


by Willard at Sep 14, 2024, 01:56 AM

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Isabella
3 months ago
D is misleading; sales can be null too.
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Bok
3 months ago
Wait, how can there be sales without a budget? That’s odd.
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Felix
3 months ago
C makes sense, but why only non-null budgets?
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Lawrence
4 months ago
I think B is the answer. You need both records!
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Winifred
4 months ago
A definitely seems right, since budgets can be null.
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Luis
4 months ago
I lean towards option B, but I’m a bit confused about how it handles the null values in the Budget column.
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Aleisha
4 months ago
I'm not entirely sure, but I feel like we had a similar question where we had to consider how missing data would be represented.
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Germaine
4 months ago
I think option A makes sense because it mentions that the Budget column can have null values, which fits the scenario we practiced.
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Man
5 months ago
I remember we discussed how composite keys can affect the visibility of data, especially with null values.
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Claudia
5 months ago
I'm feeling pretty confident about this one. Based on the information provided, I believe the correct answer is A - the table will show customer names and sales records for the selected month, with the budget column containing null or non-null values.
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Merri
5 months ago
Okay, I think I've got this. The key is that the data architect has created a composite key to resolve the synthetic key issue. That means the table will show all customer records, even if they are missing sales or budget data.
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Gertude
5 months ago
Hmm, I'm a bit confused by the wording here. I'll need to re-read the question and the exhibit a few times to make sure I understand the key points.
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Virgilio
5 months ago
This looks like a tricky question. I'll need to think through the details carefully to determine what the data architect will see when selecting a month.
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Laurena
1 year ago
Is it just me, or does this question feel like it's trying to trick us? I mean, who builds a model with 'Sales and Budget data' and then doesn't expect to see both in the final result?
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Dortha
1 year ago
Definitely, it's always good to think through the question carefully before selecting an answer. This one definitely requires some critical thinking.
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Arlette
1 year ago
I would go with option A) Customer Names and Sales records for the selected month, Budgets column can contain null or non-null values. It seems like the most logical choice based on the scenario.
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Gretchen
1 year ago
Yeah, I think so too. It's important to pay attention to the details in the question. The data architect needs to consider all possibilities when building the model.
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Tyisha
1 year ago
I agree, it does seem a bit tricky. I think the data architect will see Customer Names and Sales records for the selected month, with Budget column containing null or non-null values.
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Melodie
1 year ago
Option D is a bit strange. Why would the data architect see the customer names and budget records, with the sales column potentially containing null or non-null values? That doesn't seem to align with the problem statement.
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Jimmie
1 year ago
I agree with Elmira. It makes sense that the data architect would see the customer names and sales records, with the budget column being either null or non-null.
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Sheron
1 year ago
It's important for the data architect to consider both scenarios when building the model.
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Julieta
1 year ago
Yes, that's correct. The budget column can have null or non-null values depending on the customer's data.
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Ellen
1 year ago
I think the data architect will see customer names and sales records for the selected month, with the budget column possibly containing null values.
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Elmira
1 year ago
Option A sounds like the most logical choice. The data architect would see the customer names and sales records for the selected month, with the budget column potentially containing null or non-null values.
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Kristian
1 year ago
Yes, that way the data architect can have a clear view of the sales and budget data for each customer during the selected month.
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Shawn
1 year ago
It makes sense to see customer names and sales records for the selected month, with the budget column having null or non-null values.
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Sanda
1 year ago
I agree, option A seems to be the most reasonable choice.
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Oren
1 year ago
I'm not sure, but I think the data architect might also see Customer Names and Budaets records for the selected month. Sales column can contain null or non-null values.
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Nichelle
1 year ago
I agree with Merilyn. It makes sense to have both Sales and Budget data for each customer, even if some have missing values.
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Merilyn
1 year ago
I think the data architect will see Customer Names and Sales records for the selected month, Budgets column can contain null or non-null values.
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