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Qlik QSDA2024 Exam - Topic 5 Question 7 Discussion

Actual exam question for Qlik's QSDA2024 exam
Question #: 7
Topic #: 5
[All QSDA2024 Questions]

The data architect has been tasked with building a sales reporting application.

* Part way through the year, the company realigned the sales territories

* Sales reps need to track both their overall performance, and their performance in their current territory

* Regional managers need to track performance for their region based on the date of the sale transaction

* There is a data table from HR that contains the Sales Rep ID, the manager, the region, and the start and end dates for that assignment

* Sales transactions have the salesperson in them, but not the manager or region.

What is the first step the data architect should take to build this data model to accurately reflect performance?

Show Suggested Answer Hide Answer
Suggested Answer: C

In the provided scenario, the sales territories were realigned during the year, and it is necessary to track performance based on the date of the sale and the salesperson's assignment during that period. The IntervalMatch function is the best approach to create a time-based relationship between the sales transactions and the sales territory assignments.

IntervalMatch: This function is used to match discrete values (e.g., transaction dates) with intervals (e.g., start and end dates for sales territory assignments). By matching the transaction dates with the intervals in the HR table, you can accurately determine which territory and manager were in effect at the time of each sale.

Using IntervalMatch, you can generate point-in-time data that accurately reflects the dynamic nature of sales territory assignments, allowing both sales reps and regional managers to track performance over time.


by Adaline at Sep 18, 2024, 04:10 AM

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Billye
4 months ago
D could work too, but it might be too complex for this scenario.
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Theola
5 months ago
Wait, why not just use a simple join? Seems overkill!
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Kenneth
5 months ago
I'm not so sure about C. IntervalMatch sounds complicated for this.
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Yolando
5 months ago
Totally agree with B! Compound keys are essential here.
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Brock
5 months ago
I think option B makes the most sense for tracking performance accurately.
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Ulysses
6 months ago
Building a star schema sounds familiar, but I’m not sure how the Hierarchy function would fit into this specific scenario.
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Glendora
6 months ago
I feel like implementing an 'as of calendar' could be useful, but I’m not clear on how that would work with the sales transactions.
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Yuki
6 months ago
I remember practicing with the IntervalMatch function, and it seems like it could help with tracking performance over time, but I’m not entirely confident.
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Malcom
6 months ago
I think the first step should involve linking the sales data with the HR table, but I'm not sure if using a compound key is the best approach.
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Gracia
6 months ago
This is a great question that really tests your understanding of data modeling. I think Option A with the 'as of' calendar is the way to go - that will allow you to accurately reflect the changing sales territories and management structure over time.
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Herschel
6 months ago
Okay, I think I've got this. The data architect needs to be able to link the sales transactions back to the correct manager and region, even as the sales reps change territories. Option B with the compound key link table seems like the most straightforward way to handle that.
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Berry
6 months ago
I'm a bit confused by this question - there are a lot of moving parts with the sales territories and the HR data. I'm not sure which option would be the most efficient way to build this data model. Maybe I should re-read the question more carefully.
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Rikki
6 months ago
This looks like a tricky one, but I think the key is to figure out how to accurately track the sales rep's performance over time as their territory changes. Option C with the IntervalMatch function seems like the best approach to me.
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Glory
1 year ago
This exam question is making my brain hurt. I'm going to go take a nap under my desk and hope the answer comes to me in a dream.
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Roslyn
1 year ago
C) Use the IntervalMatch function with the transaction date and the HR table to generate point in time data
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Jose
1 year ago
B) Create a link table with a compound key of Sales Rep / Transaction Date to find the correct manager and region
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Shawnna
1 year ago
A) Implement an 'as of calendar against the sales table and use ApplyMap to fill in the needed management data
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Trinidad
2 years ago
I'm not sure, but I think using the IntervalMatch function with the transaction date and the HR table could also be a good option to generate point in time data.
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Hector
2 years ago
C is definitely the way to go. IntervalMatch is like the duct tape of data modeling - it fixes everything!
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Alishia
1 year ago
IntervalMatch is a powerful function that can really enhance the accuracy of the data model.
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Olene
1 year ago
It's a smart choice to ensure the data model reflects performance accurately.
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Lang
1 year ago
I agree, using IntervalMatch will help generate point in time data accurately.
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Dana
2 years ago
C is definitely the way to go. IntervalMatch is like the duct tape of data modeling - it fixes everything!
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Arlie
2 years ago
I agree with Adria. This approach would ensure accurate reflection of performance based on the realigned sales territories.
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Luz
2 years ago
D sounds pretty good. A star schema with the hierarchy function is a classic data modeling technique for this kind of requirement.
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Carma
2 years ago
It's definitely a classic technique that can handle the complexity of this sales reporting application.
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Joye
2 years ago
I agree, a star schema with the hierarchy function would be a solid foundation.
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Chandra
2 years ago
D sounds like the right approach for this data model.
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Rebbecca
2 years ago
B makes the most sense to me. Building that link table lets you easily map the sales data to the management data without having to do all sorts of complicated joins.
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Adria
2 years ago
I think the data architect should create a link table with a compound key of Sales Rep / Transaction Date to find the correct manager and region.
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Farrah
2 years ago
I think C is the way to go. Using IntervalMatch to connect the transaction data with the HR info sounds like the most efficient approach.
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Yolando
1 year ago
I think implementing an 'as of calendar against the sales table' could also be a useful step in this data model.
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Shakira
2 years ago
That's true, a link table could also be a good approach to accurately reflect performance.
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Rosenda
2 years ago
But wouldn't creating a link table with a compound key also be a good option to find the correct manager and region?
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Coral
2 years ago
I agree, using IntervalMatch would definitely help in generating point in time data.
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