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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
4 months ago
Wait, are we sure about the number of rows? That seems off.
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Marylou
5 months ago
Definitely D, can't believe some people think otherwise!
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Edda
5 months ago
Not sure about that, seems like it could be option B too.
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Marge
5 months ago
I think it's option D, four rows and four columns!
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Tammy
5 months ago
A FULL JOIN combines all rows from both tables.
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Tomas
6 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
6 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
6 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
6 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
6 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
6 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
6 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
6 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
6 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
6 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
1 year ago
User 3: I agree with the original comment, B) Three rows and four columns sounds right.
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Annalee
1 year ago
I'm going with C) Four rows and two columns.
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Nancey
1 year 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
1 year ago
I'm just going to guess and pick A. Maybe I'll get lucky!
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Thersa
1 year 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
1 year ago
I think it's B, three rows and four columns.
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Dick
1 year 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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