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CIW Exam 1D0-541 Topic 1 Question 74 Discussion

Actual exam question for CIW's 1D0-541 exam
Question #: 74
Topic #: 1
[All 1D0-541 Questions]

Which relational algebraic operation is used to select specific columns (attributes) from a

relation?

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Suggested Answer: A

by Lashaunda at Aug 29, 2023, 06:47 AM

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Chuck
2 months ago
C) Projection, all the way! This is like the bread and butter of relational algebra. If you can't get this one right, you might as well throw in the towel.
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Hassie
21 days ago
C) I agree, Projection is essential for selecting specific attributes in relational algebra.
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Inocencia
27 days ago
A) Union is also important, but Projection is definitely key in selecting specific columns.
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Eva
2 months ago
Haha, I was tempted to choose B) Difference just to be different, but I know the correct answer is C) Projection. Can't trick me with these database questions!
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Delsie
2 months ago
Definitely C) Projection. I remember learning about this in my database class. It's the go-to operation for selecting attributes from a table.
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Kimbery
2 months ago
I think the answer is C) Projection. This operation selects specific columns from a relation, which is exactly what the question is asking for.
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Emogene
6 days ago
Yes, you're right. C) Projection is the correct answer for selecting specific columns.
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Cora
10 days ago
No, it's not A) Union. It's C) Projection, as it specifically selects columns.
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Sommer
22 days ago
I think it's A) Union, because it combines two relations into one.
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Martha
23 days ago
I agree, C) Projection is used to select specific columns from a relation.
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Marlon
2 months ago
I agree with both of you. C) Projection is the right choice for selecting specific columns in relational algebra.
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Brice
2 months ago
I think C) Projection is the correct answer because it helps in selecting only the columns we need.
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Doretha
2 months ago
C) Projection is used to select specific columns.
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