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Oracle Exam 1Z0-071 Topic 14 Question 89 Discussion

Actual exam question for Oracle's 1Z0-071 exam
Question #: 89
Topic #: 14
[All 1Z0-071 Questions]

Examine the description of the EMPLOYEES table:

Which two queries return rows for employees whose manager works in a different department?

Show Suggested Answer Hide Answer
Suggested Answer: D, E

Contribute your Thoughts:

Alise
6 months ago
I don't think option C is correct. It doesn't specify that the manager works in a different department.
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Maryanne
6 months ago
But what about option C? It also looks like it could work.
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Cristy
6 months ago
I agree. A and B seem to be the most logical choices.
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Laura
6 months ago
I think the correct queries are A and B.
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Kattie
6 months ago
I think query C, D, and E are incorrect because they are using different types of joins which may not give the desired result.
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Franklyn
7 months ago
I believe query B is also correct as it uses a subquery with NOT EXISTS to achieve the same result.
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Janey
7 months ago
I agree with you. Query A uses a NOT IN clause to check for employees whose manager works in a different department.
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Pamella
7 months ago
I think the correct queries should be A and B.
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Stephanie
8 months ago
I'm not a big fan of the NOT IN approach in option A. It just feels a bit clunky compared to the other options.
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King
8 months ago
Haha, option D with the RIGHT JOIN? Really? Who even uses that these days? That feels like a trap answer.
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Lynelle
8 months ago
I'm leaning towards option B or C. The NOT EXISTS and LEFT JOIN seem like they might be the most effective way to handle this requirement.
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Luke
7 months ago
User 2
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Brandon
7 months ago
User 1
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Jina
8 months ago
Okay, let's think this through step-by-step. We need to find employees whose managers work in a different department, so the key is finding the right join condition.
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Crista
8 months ago
Ugh, I hate these types of questions where you have to analyze multiple queries and figure out the most efficient one. It's like they're trying to trip us up.
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Anastacia
8 months ago
Hmm, this question seems a bit tricky. I'm not entirely sure which query will return the desired result, but I'll give it my best shot.
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