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Which type of dependency occurs when one attribute of a composite primary key is removed
and the dependency still exists?
Suggested Answer: D
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38 comments · newest first
MI
Mitsue
11 months ago
Partial functional is correct when an attribute is removed.
PE
Pearly
12 months ago
Wait, are we sure about that? Sounds tricky.
MA
Madelyn
12 months ago
No way, it's Transitive dependency!
ER
Ernie
1 year ago
I thought it was Functional dependency?
AR
Arthur
1 year ago
It's definitely Partial functional dependency!
SH
Sheldon
1 year ago
I believe the answer is partial functional dependency since it relates to composite keys, but I could be mixing it up with something else.
MI
Mitsue
1 year ago
I’m a bit confused. I thought removing an attribute would lead to a transitive dependency, but that doesn’t seem right here.
FR
Frederica
1 year ago
I remember practicing a question like this, and I think it was definitely about functional dependencies.
LI
Lili
1 year ago
I think this might be about partial functional dependency, but I'm not completely sure.
ST
Stephaine
1 year ago
I'm a bit confused by the wording of this question. Can someone clarify what a "composite primary key" is and how that relates to the different types of dependencies? I want to make sure I understand the concept before answering.
CA
Cathrine
1 year ago
Hmm, this is a tricky one. I'm not entirely sure about the different types of dependencies, but I'll try to reason through it step-by-step and see if I can figure it out.
DA
Darrin
1 year ago
I think this is asking about a specific type of dependency that can occur when you remove one attribute from a composite primary key. I'll need to think through the different types of dependencies to determine the right answer.
SH
Sherell
1 year ago
Ah, I remember learning about this in class. If you remove one attribute from a composite primary key and the dependency still exists, that's called a partial functional dependency. I'm pretty confident that's the right answer here.
BE
Belen
1 year ago
I'm pretty confident that the correct answer is B. Permitting access makes sense if the client is already authenticated and the RADIUS server becomes unavailable.
MA
Maricela
1 year ago
This looks like a tricky one. I'll need to carefully read through the question and the options to figure out the impact of those commands.
EM
Emerson
1 year ago
Hmm, I'm not too familiar with the Microsoft Deployment Toolkit. I'll need to think through the different migration methods and see which ones are compatible with that tool.
AL
Alba
1 year ago
I'm going with option E) Dependency Overload. When your database has more dependencies than your social life.
LE
Lera
1 year ago
B) Transitive, the classic dependency that just won't go away. It's like a persistent ex-relationship, but in the database world.
SE
Sean
1 year ago
Functional, easy peasy. Unless this is a trick question, then I'll just go with D. Partial functional.
MI
Miesha
1 year ago
D) Partial functional
JO
Joaquin
1 year ago
C) Functional
JU
Junita
1 year ago
B) Transitive
DU
Dulce
1 year ago
A) 11
BR
Bronwyn
1 year ago
Transitive, for sure. I can already see the dependencies forming in my mind like a web of complexity.
SE
Serita
1 year ago
C) Functional
GR
Graham
1 year ago
B) Transitive
JA
Jamika
1 year ago
A) 11
CA
Carlee
2 years ago
But if one attribute of a composite primary key is removed and the dependency still exists, it's a partial functional dependency.
SC
Scarlet
2 years ago
I disagree, I believe the answer is C) Functional.
CA
Carlee
2 years ago
I think the answer is D) Partial functional.
AL
Alaine
2 years ago
Hmm, I think it's Partial functional. Gotta love those composite keys, always keeping us on our toes!
PR
Princess
1 year ago
No, I'm pretty sure it's partial functional. That's the one where the dependency still exists even if one attribute of a composite key is removed.
AN
Annamae
1 year ago
I think it's actually transitive. That's the one where the dependency still exists even if one attribute is removed.
AS
Ashton
1 year ago
No, I'm pretty sure it's Partial functional.
IV
Ivette
2 years ago
I think it's actually Functional.
HE
Helaine
2 years ago
I'm not sure, but I think it might be C) Functional dependency.
LA
Lavera
2 years ago
I agree with Carissa, because in partial functional dependency, removing one attribute of a composite key still maintains the dependency.
CA
Carissa
2 years ago
I think the answer is D) Partial functional.