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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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11 comments · newest first
AB
Abel
11 months ago
Just a reminder, always double-check the attributes in the output.
MI
Michal
11 months ago
Wow, I didn't expect Option B to be a contender!
MA
Marylin
12 months ago
Not sure about that, I feel like Option D might be better.
GE
Genevive
12 months ago
I think Option C is the right choice!
CL
Clemencia
1 year ago
Option A looks correct based on the joins.
KR
Kris
1 year ago
I’m leaning towards Option A, but I need to double-check the attributes involved in the relation to be sure.
TA
Tandra
1 year ago
I remember practicing a similar question where we had to combine customer data with sales reps, but I can't recall the exact steps.
SH
Shenika
1 year ago
I think we need to focus on the join operation here, but I'm not entirely sure which type to use.
RO
Robt
1 year ago
I feel like Option C might be the right choice, but I’m a bit confused about how the selection criteria apply in this case.
DA
Daniela
1 year ago
I think I've got it. The load balancing is round-robin, and the last five connections were C, D, A, B, B. So the next connection, with IP 205.12.45.52, will go to member E.
JO
Josefa
1 year ago
Based on the error message, it seems like the server is having trouble authenticating with the credentials it's using. Option B, updating the credentials in the boot identity file, seems like the most straightforward solution.