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Databricks Certified Data Engineer Associate Exam - Topic 1 Question 11 Discussion

Posted by Eladia on Aug 05, 2023 at 07:18 PM

A data engineer is working with two tables. Each of these tables is displayed below in its entirety. The data engineer runs the following query to join these tables together: Which of the following will be returned by the above query?

Suggested Answer: C

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33 comments · newest first
ST
Stefany 11 months ago
I’m surprised there’s no option for a full outer join!
SU
Sunshine 11 months ago
Totally agree with Tom, B seems right.
NO
Norah 11 months ago
Wait, are we sure about that?
MI
Mitsue 11 months ago
I think it's definitely Option B!
AL
Almeta 12 months ago
Looks like a classic inner join scenario.
GA
Gayla 12 months ago
I think I need to double-check how the tables relate to each other; that might help me figure out which option is correct.
AN
Angelyn 12 months ago
I feel like I saw a question like this where the join condition was crucial for determining the result set. I hope I got that right!
JA
Janessa 1 year ago
I think the query is supposed to return rows where there are matches in both tables, but I can't recall the exact output.
JO
Joesph 1 year ago
I remember practicing similar join questions, but I'm not sure if this one uses an inner join or something else.
TR
Trina 1 year ago
This seems like a straightforward question about inventory management. I'll need to carefully consider the tradeoffs between the order quantity discount and the extra holding costs.
KI
Kimberlie 1 year ago
This seems like a straightforward cost comparison problem. I'll need to calculate the total annual cost for each proposal and then choose the lowest one.
PA
Pauline 1 year ago
Okay, I've got this. Based on the scenario, where the employee is responsible for managing access to their own product, the answer has to be Discretionary Access Control (DAC). That's the model where the owner of the resource (in this case, the product) has the authority to grant or revoke access.
AJ
Aja 1 year ago
I'm with Roselle on this one. Option B is the clear winner. Although, I have to admit, the data engineer's choice of table names has me wondering if they're a secret comedian in disguise.
GL
Glen 1 year ago
↳ replying to Aja
Let's hope they're not trying to sneak in some jokes with those table names!
DA
Danica 1 year ago
↳ replying to Aja
Definitely, as long as the data engineer knows what they're doing, it's all good.
MA
Maryann 1 year ago
↳ replying to Aja
Haha, yeah the table names are quite interesting. But as long as the query works, right?
CA
Carlee 1 year ago
↳ replying to Aja
I agree with you, Option B seems to be the correct choice.
LA
Layla 1 year ago
↳ replying to Aja
Yeah, the data engineer definitely has a sense of humor with those table names.
JA
Jacquline 1 year ago
↳ replying to Aja
I think Option C might also be a possibility, but I see why you're leaning towards Option B.
LA
Lawana 1 year ago
↳ replying to Aja
Haha, I know right? The table names are quite amusing.
AN
Annice 1 year ago
↳ replying to Aja
I agree with you, Option B seems to be the correct choice.
TA
Tandra 1 year ago
Option B is the way to go. These types of join questions are like the crossword puzzles of the data engineering world - you just need to keep a cool head and follow the logic.
ST
Stephanie 1 year ago
↳ replying to Tandra
Yes, Option B is the right answer for this query.
AN
Annett 1 year ago
↳ replying to Tandra
I agree, Option B is the correct choice.
DO
Dorthy 2 years ago
Why do you think it's Option C?
PR
Precious 2 years ago
Hmm, looks like a straightforward join to me. Option B seems like the obvious choice here. Although, I do wonder if the data engineer is caffeinated enough to spot the right answer.
MI
Mica 1 year ago
↳ replying to Precious
Well, let's hope the data engineer is sharp enough to pick the right answer.
TR
Tran 1 year ago
↳ replying to Precious
I'm not so sure, I would go with Option C instead.
LU
Luisa 1 year ago
↳ replying to Precious
I think so too, the join seems pretty straightforward.
JO
Johnetta 1 year ago
↳ replying to Precious
I agree, Option B looks like the correct choice.
DO
Doretha 2 years ago
I disagree, I believe the correct answer is Option C.
DO
Dorthy 2 years ago
I think the answer is Option B.
RO
Roselle 2 years ago
This query is a basic inner join between the two tables. Based on the data shown, I'd say the correct answer is Option B.
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