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Databricks Certified Data Engineer Associate Exam - Topic 1 Question 16 Discussion

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?
C) Option C
A) Option A
B) Option B
D) Option D
E) Option E

Databricks Certified Data Engineer Associate Exam - Topic 1 Question 16 Discussion

Actual exam question for Databricks's Databricks Certified Data Engineer Associate exam
Question #: 16
Topic #: 1
[All Databricks Certified Data Engineer Associate Questions]

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?

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Suggested Answer: C

by Valentine at Dec 11, 2023, 05:21 AM

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Anglea
9 months ago
I love how these tables are structured, makes it easier to analyze!
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Hershel
9 months ago
Wait, how did they get those results? Seems off!
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Shizue
9 months ago
Not so sure about that, I lean towards Option B.
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Jenelle
10 months ago
I think Option C is definitely the right choice!
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Man
10 months ago
Looks like a classic inner join scenario.
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Samira
10 months ago
I practiced a question like this last week, and I think the answer was option A, but I might be mixing it up with another example.
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Elouise
10 months ago
I think the query should return all matching records, but I’m a bit confused about how NULL values are handled in the join.
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Sunny
10 months ago
This question feels similar to one we did in class about combining tables. I think it might be option C, but I can't recall the exact details.
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Galen
11 months ago
I remember practicing joins, but I'm not sure if it's an inner join or outer join in this case.
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Lore
11 months ago
This seems straightforward, but I want to double-check my work. I'll walk through the join logic and compare the potential output options to make sure I have the right understanding.
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Kaitlyn
11 months ago
I've got a strategy for this. I'll start by sketching out the expected result set based on the table contents and the join condition. That should help me identify the right answer.
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Geoffrey
11 months ago
Okay, let me think this through step-by-step. The query is joining the two tables on the `id` column, so I need to consider how the data in each table aligns.
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Janey
11 months ago
Hmm, I'm a bit unsure about this one. I need to make sure I understand how the join is being performed and what the expected output should be.
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Chandra
11 months ago
This looks like a straightforward join question. I'll carefully review the table structures and the query to determine the correct output.
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Jina
11 months ago
This seems like a tricky one. I'll need to think carefully about how to balance data access and performance.
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Walton
11 months ago
Ugh, I'm not too familiar with the Create Change Request Type customizing in SAP. I'll have to think this through carefully.
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