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The entity relationship model below shows the relationship between Customer and Order. Which of the following business rules is correct?
Suggested Answer: D
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32 comments · newest first
RO
Roxane
11 months ago
I thought a customer had to place an order.
RO
Rodolfo
11 months ago
Definitely not A, that's just wrong.
CO
Colton
11 months ago
Wait, how can an order not be placed by a customer? That seems off.
CH
Christa
12 months ago
Totally agree with B! Makes sense.
BO
Bonita
12 months ago
A customer may place many orders.
SH
Sherell
12 months ago
Option C seems really off to me; I can't imagine a scenario where a customer would never place an order.
DO
Dorothy
1 year ago
I practiced a similar question where it was clear that customers are linked to their orders, so I'm leaning towards option B as well.
TA
Tayna
1 year ago
I'm not entirely sure, but I feel like option A doesn't fit because it seems unlikely that many customers would place the same order.
KI
King
1 year ago
I remember that in the entity relationship model, usually a customer can place multiple orders, so I think option B makes sense.
GL
Glen
1 year ago
Okay, I've got this. The one-to-many relationship means that a customer can place multiple orders, but an order can only be placed by one customer. So the correct answer is option B.
ER
Erinn
1 year ago
I'm a bit confused by this question. The relationship seems clear, but the wording of the options is tripping me up. I'll need to read through them slowly to make sure I understand which one is correct.
RO
Ronny
1 year ago
Hmm, the diagram shows a one-to-many relationship between Customer and Order. I think the answer is probably option B, but I want to double-check the wording to make sure.
AN
Antonio
1 year ago
This looks like a straightforward question about entity relationships. I'll carefully review the diagram and options to determine the correct business rule.
KA
Kaitlyn
1 year ago
Dashboards are definitely the way to go here. That will let me pull in all the required data sources and present them in a clear, organized way on a single page. I've got some experience with dashboards, so I feel pretty confident about this one.
GI
Gilberto
1 year ago
This is a good question to test our knowledge of system configurations. I'll use the process of elimination to narrow down the options and select the most likely answer.
KA
Kate
1 year ago
Okay, let's see here. I think the key is understanding how ES gathers information about the local customer domain names. The options seem to point to different methods, so I'll need to evaluate each one.
NI
Nickole
1 year ago
B is definitely the correct answer. The model shows that a customer and an order can have a one-to-many or many-to-one relationship, but never a one-to-one or a many-to-many relationship. This is basic database design stuff, folks!
BE
Beth
1 year ago
Yes, B is the correct answer. The model clearly shows the relationship between Customer and Order.
MA
Marge
1 year ago
Definitely, B is the right choice. The model clearly indicates that a customer can place many orders.
KR
Krissy
1 year ago
I agree, B is the correct answer. It's all about the one-to-many relationship between Customer and Order.
EL
Elizabeth
1 year ago
Hmm, this is a tricky one. I was initially leaning towards D, but then I realized that an order must be placed by at least one customer. A and B seem to be the most logical options here.
HA
Hannah
1 year ago
Yeah, it seems like B is the most logical choice here.
RE
Reuben
1 year ago
I agree, B makes the most sense based on the entity relationship model.
VA
Valentin
1 year ago
I think B is correct. A customer may place many orders.
PE
Peter
2 years ago
But what about option A? An order may be placed by many customers. That could also be a valid business rule.
JO
Jose
2 years ago
I think the correct answer is B. A customer may place many orders. The entity relationship model clearly shows that the relationship between Customer and Order is 'many-to-many', meaning a customer can have multiple orders and an order can be placed by multiple customers.
MA
Marget
1 year ago
Exactly, that's why option B is the correct business rule in this case.
TA
Tamra
1 year ago
So, it means a customer can have multiple orders and an order can be placed by multiple customers.
NO
Nohemi
1 year ago
Yes, that's correct. The entity relationship model clearly shows the 'many-to-many' relationship.
MA
Ma
1 year ago
I agree with you, the correct answer is B. A customer may place many orders.
AN
Annelle
2 years ago
I agree with Skye. It makes sense that a customer can place multiple orders.
SK
Skye
2 years ago
I think the correct business rule is B) A customer may place many orders.