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CompTIA DA0-001 Exam - Topic 2 Question 45 Discussion

Given the following tables:Which of the following will be the dimensions from a FULL JOIN of the tables above?
D) Four rows and four columns
A) Two rows and three columns
B) Three rows and four columns
C) Four rows and two columns

CompTIA DA0-001 Exam - Topic 2 Question 45 Discussion

Actual exam question for CompTIA's DA0-001 exam
Question #: 45
Topic #: 2
[All DA0-001 Questions]

Given the following tables:

Which of the following will be the dimensions from a FULL JOIN of the tables above?

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Suggested Answer: D

by Tori at Sep 17, 2024, 08:06 AM

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Sueann
7 months ago
Wait, are we sure about the number of rows? That seems off.
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Marylou
8 months ago
Definitely D, can't believe some people think otherwise!
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Edda
8 months ago
Not sure about that, seems like it could be option B too.
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Marge
8 months ago
I think it's option D, four rows and four columns!
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Tammy
8 months ago
A FULL JOIN combines all rows from both tables.
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Tomas
9 months ago
I believe the answer is D, four rows and four columns, but I need to double-check how the NULL values affect the counts.
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Jarvis
9 months ago
I'm a bit confused about the columns. I thought a FULL JOIN would keep all columns from both tables, but I can't recall the exact numbers.
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Andra
9 months ago
I think we practiced a similar question where we had to count the rows after a FULL JOIN. I feel like it might be four rows based on the example we did.
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Kristel
9 months ago
I remember that a FULL JOIN combines all records from both tables, but I'm not sure how many rows that would actually give us.
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Rasheeda
9 months ago
Hmm, I'm not sure. I'll need to draw out the full join and count the rows and columns to be sure. Better not to guess on this one.
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Mary
9 months ago
I'm pretty confident about this one. The full join will give me all the unique values from both tables, so the dimensions should be 4 rows and 4 columns.
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Annita
9 months ago
Okay, I think I've got this. The full join will combine all rows from both tables, so the dimensions should be 4 rows and 4 columns.
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Mila
9 months ago
Hmm, this looks like a tricky one. I'll need to carefully examine the table structures and think through the full join logic.
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Jackie
9 months ago
Wait, I'm a bit confused. How do I know the exact number of rows and columns? I'll need to work through this step-by-step.
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Barb
9 months ago
Okay, I think I've got a good handle on this. Let me walk through the steps and see which one best meets all the requirements.
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Desiree
2 years ago
Whoa, this exam is really putting my SQL skills to the test! I'm going to go with the answer that sounds the most complicated - B, three rows and four columns. Gotta keep 'em on their toes, am I right?
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Jani
2 years ago
User 3: I agree with the original comment, B) Three rows and four columns sounds right.
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Annalee
2 years ago
I'm going with C) Four rows and two columns.
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Nancey
2 years ago
I think the answer is A) Two rows and three columns.
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Gracie
2 years ago
I'm not sure, but I think the answer might be D) Four rows and four columns as well.
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Luisa
2 years ago
This is like a SQL algebra problem - I love it! D is the way to go, four rows and four columns. Time to flex those database muscles!
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Shelton
2 years ago
Wait, are we supposed to count the tables or the columns? I'm so confused, I'm just going to guess and pick A. Maybe I'll get lucky!
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Bobbie
2 years ago
I'm just going to guess and pick A. Maybe I'll get lucky!
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Thersa
2 years ago
I agree, let's carefully analyze the tables before making a decision.
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Malcom
2 years ago
I think we need to count the number of rows and columns in the tables.
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Jaime
2 years ago
Hold up, is this a trick question or what? I'm gonna go with the classic C, four rows and two columns. Might as well play it safe, right?
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Fatima
2 years ago
Whoa, this one's tricky! I'm leaning towards B, three rows and four columns. Gotta love those SQL joins, am I right?
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Helene
2 years ago
I think it's B, three rows and four columns.
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Dick
2 years ago
I agree with User1, it's D, four rows and four columns.
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Glenn
2 years ago
I'm not sure, but I believe it's A, two rows and three columns.
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Melodie
2 years ago
I think it's D, four rows and four columns.
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Devora
2 years ago
I agree with Stephen, because a FULL JOIN combines all rows from both tables.
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Stephen
2 years ago
I think the answer is D) Four rows and four columns.
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Vallie
2 years ago
Hmm, looks like we need to understand the concept of a FULL JOIN to answer this one. I'm going to go with D, four rows and four columns - that seems to make the most sense based on the table structures.
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Heike
2 years ago
I agree, D, four rows and four columns, makes sense based on the tables.
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Heike
2 years ago
I think you're right, D does seem like the correct answer.
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