CIW 1D0-541 Exam - Topic 2 Question 86 Discussion

Actual exam question for CIW's 1D0-541 exam

Question #: 86
Topic #: 2

[All 1D0-541 Questions]

Consider the Dept1_Parts and Dept2_Parts relations shown in the exhibit. Which of the

following SQL statements would create an intersection of the two relations with the widest variety

of Structured Query Language dialects?

ASELECT *
FROM Dept1_Parts
AND
(SELECT *
FROM Dept2_Parts);

BSELECT *
FROM Dept1_Parts
INTERSECTION
(SELECT *
FROM Dept2_Parts);

CSELECT *
FROM Dept1_Parts
WHERE Dept1_Parts.Part_ID = Dept2_Parts.Part_ID;

DSELECT *
FROM Dept1_Parts
WHERE Dept1_Parts.Part_ID = Dept2_Parts.Part_ID;

Show Suggested Answer

Suggested Answer: D

by Loreta at Apr 26, 2024, 08:15 AM

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Ronald

3 months ago

Wait, can you really use INTERSECTION in all SQL dialects? Sounds fishy.

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Miriam

4 months ago

Totally agree with B, it's the cleanest way to get the intersection!

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Cheryl

4 months ago

Not sure about option D, it looks similar to C but might not work as intended.

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Jimmie

4 months ago

I think option C is more straightforward for this case.

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Louvenia

4 months ago

Option B uses the INTERSECTION keyword, which is standard SQL.

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Miriam

5 months ago

I’m a bit confused about the syntax in option A. I don’t think AND is the right keyword to use there, but I can’t recall what should be used instead.

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Bok

5 months ago

I feel like I’ve seen a question like this before, and I think the INTERSECTION keyword is the most straightforward way to get the intersection.

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Bo

5 months ago

I'm not entirely sure, but I remember something about using WHERE clauses to find matches between two tables. Maybe options C and D are similar?

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Stephaine

5 months ago

I think option B looks familiar because it uses the INTERSECTION keyword, which we practiced in class.

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Trinidad

5 months ago

I'm a bit confused by the wording of the question. Does "widest variety of Structured Query Language dialects" mean the most portable solution across different database systems?

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Matilda

5 months ago

Okay, I've got this! The WHERE clause to match the Part_ID columns is the way to go for the widest SQL dialect support.

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Golda

5 months ago

Hmm, the intersection of the two relations is the key here. I think I'll need to explore the INTERSECTION and JOIN options to find the best solution.

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Dalene

5 months ago

This looks like a tricky one! I'll need to carefully review the SQL dialects supported to determine the widest variety.

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Bernardo

5 months ago

This is a good test of my SQL knowledge. I'll need to think through the pros and cons of each approach to determine the most versatile solution.

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Edgar

5 months ago

Hmm, I'm not sure if a compliance policy is the right approach for this. I'll need to double-check the requirements and see if there are any other options I should consider.

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Leota

5 months ago

I think respect involves listening to others, so maybe option B is the best example. It reminds me of a case study where employee input was crucial.

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Myong

6 months ago

I remember we did practice questions on permissions, and I think these are definitely Dangerous Permissions, but I could see how they might be confusing.

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Laura

10 months ago

I'm going with Option D. It's the simplest and most straightforward approach. Plus, it reminds me of that classic joke: 'Why did the SQL statement cross the road? To get to the other SIDE condition!'

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Celestina

8 months ago

Yeah, it adds a bit of humor to the technical discussion.

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Mabelle

8 months ago

Haha, that joke about the SQL statement crossing the road is funny!

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Olen

8 months ago

I agree, it seems like the most logical choice.

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Jacinta

9 months ago

I think Option D is the way to go.

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Fidelia

10 months ago

Option A? Really? Combining a SELECT with an AND operator? That's not valid SQL syntax, is it? Looks like a trick question to me.

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Rana

9 months ago

Yeah, Option B makes more sense. It's the proper way to create an intersection of two relations in SQL.

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Pamella

9 months ago

I think Option B is the correct answer. It uses the INTERSECTION keyword to find the common rows in both relations.

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Sena

9 months ago

Yeah, I agree. Option B is the right choice for creating an intersection of the two relations.

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Jade

10 months ago

No, Option A is definitely not valid SQL syntax. It's a trick question.

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Cherry

10 months ago

I think option B is the correct one. It uses the INTERSECTION keyword to find the common records.

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Tiffiny

10 months ago

No, option A is definitely not valid SQL syntax. It's a trick question.

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Fernanda

11 months ago

Hmm, I don't know. Option C looks like it might have a typo. Shouldn't it be `Dept1_Parts.Part_ID = Dept2_Parts.Part_ID` instead of the other way around?

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Dorothy

11 months ago

I'm not sure about that. Option D seems more portable to me. The WHERE clause with the equality comparison is a more basic SQL construct that should work across a wider range of database systems.

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