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Using the Customer and Sales_Rep relations shown in the exhibit, you must datermine a relational
algebraic expression that will result in the following relation:
Which of the following relational algebraic expressions would result in this relation?
Suggested Answer: A
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29 comments · newest first
SV
Svetlana
11 months ago
Wait, are we sure about these options? They look similar!
LA
Lavonna
11 months ago
Totally agree with Carman, A is the way to go!
EL
Elmira
12 months ago
I’m not so sure about that, Option D seems off.
AR
Arminda
12 months ago
I think Option C is the right choice.
CA
Carman
1 year ago
Option A looks correct based on the attributes.
GL
Glennis
1 year ago
I'm a bit confused about the difference between the options; they all seem to have similar components, but I can't tell which one matches the output exactly.
AL
Almeta
1 year ago
I feel like I saw a question like this in our last mock exam, and I think it was about filtering based on specific attributes.
TO
Tomas
1 year ago
I think option B looks familiar; it might involve a selection followed by a projection, but I can't recall the exact syntax.
TA
Taryn
1 year ago
I remember we practiced similar questions on relational algebra, but I'm not sure if the join operation is the right choice here.
SA
Santos
1 year ago
This is a good test of my relational algebra skills. I'll need to review the definitions of the various operators and experiment with different combinations to find the right solution.
GL
Glory
1 year ago
Hmm, the target relation seems to be a join between the Customer and Sales_Rep relations, but I'm not sure which specific operators to use. I'll need to think this through step-by-step.
FR
Francoise
1 year ago
This looks like a tricky relational algebra question. I'll need to carefully analyze the given relations and the target relation to determine the appropriate expression.
BR
Brande
1 year ago
Okay, I think I've got a strategy. I'll start by identifying the common attributes between the two relations, then consider the different join operations to see which one produces the desired result.
HA
Halina
1 year ago
I'm a bit confused by the wording of the options. I'll need to take my time and make sure I fully comprehend the differences between them.
GA
Garry
1 year ago
I remember practicing a question about how client provisioning interacts with application processes. Option C sounds familiar, but it could be a bit tricky.
NO
Nobuko
2 years ago
I believe Option B might be the correct choice because it seems to match the given relation.
LE
Leonora
2 years ago
I agree. We need to find the expression that will result in the given relation.
YO
Yolando
2 years ago
Hmm, this is a tricky one. I'm going to go with option B. It looks like it might be doing the right operations, but I'm not 100% sure.
GE
Genevieve
2 years ago
I'm not sure, but I'll go with option B as well.
MA
Madonna
2 years ago
I agree, option B seems like it could be the right answer.
EM
Emilio
2 years ago
I think option B is the correct choice.
JE
Jesusita
2 years ago
I think the question is asking us to determine a relational algebraic expression.
RO
Rosio
2 years ago
I think option D is the correct answer. The question asks for a relational algebraic expression that will result in the given relation, and D seems to be the only one that matches.
CY
Cyndy
2 years ago
I think so too, let's go with option D.
JI
Jina
2 years ago
I agree, option D looks like the best choice.
JO
Jovita
2 years ago
I think so too, let's go with option D.
ON
Oneida
2 years ago
I think so too, let's go with option D.
TR
Trinidad
2 years ago
I agree, option D looks like the best choice.
SU
Susana
2 years ago
I agree, option D looks like the best choice.