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OutSystems Associate-Reactive-Developer Exam - Topic 1 Question 12 Discussion

For 4 Entity Customer, Order, OrderProduct, OrderReceipt are related to each other as shown in the image below.
A) When deleting information in Assubmit Order, all relevant information (being referent) in Customer and CustomerReceipt will also be deleted.
B) Cannot perform information deletion (being referenced in the OrderProduct table) in the Entiry Order. However, when deleting information being refenrent in Entity OrderReceipt, it will delete information in both Entity OrderReceipt and Entity Order.
C) Cannot perform information deletion (being referenced in the OrderProduct table) in the Entiry Order. however, when deleting information being refenrent in Entity Customer, it will delete information in both Entity Customer and Entity Order.
D) Cannot perform information deletion (being referenced in the OrderProduct table) in the Entiry Order. however, when deleting information being refenrent in Entity Customer, it will delete information in Entity Customer

OutSystems Associate-Reactive-Developer Exam - Topic 1 Question 12 Discussion

Actual exam question for OutSystems's Associate-Reactive-Developer exam
Question #: 12
Topic #: 1
[All Associate-Reactive-Developer Questions]

For 4 Entity Customer, Order, OrderProduct, OrderReceipt are related to each other as shown in the image below.

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Suggested Answer: A

by Nichelle at Oct 16, 2023, 11:13 AM

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Therese
7 months ago
D is spot on, only affects Customer, not Order.
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Laquanda
7 months ago
C is incorrect, it shouldn't delete Order just by touching Customer.
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Page
7 months ago
Wait, can deleting from Customer really affect Order? That seems weird.
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Valentin
7 months ago
I disagree with B, that sounds off.
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Ernie
7 months ago
A is definitely true, cascading deletes are common.
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Keshia
7 months ago
I feel like option D might be correct, but I need to double-check how the references work between Customer and Order.
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Tarra
8 months ago
I’m a bit confused about the relationships here. Does deleting from OrderReceipt really affect Order?
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Maia
8 months ago
I think option B sounds familiar because we practiced a similar question about cascading deletes in class.
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Francene
8 months ago
I remember something about referential integrity, but I'm not sure if deleting from Customer affects Order.
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Lauryn
8 months ago
Hmm, this is a good test of my database knowledge. I'll start by identifying the primary keys and foreign keys, then work through each deletion scenario methodically. Gotta love those entity relationship diagrams!
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Rickie
8 months ago
Okay, this looks like a tricky one. I'll need to map out the relationships and think through the cascading effects of deleting data in each entity. Gotta be careful with those foreign key constraints.
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Celeste
8 months ago
I think I understand the relationships between the entities, but I'm a bit confused about the deletion rules. I'll need to carefully review the options and think through the implications.
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Jose
8 months ago
Alright, time to put my database skills to the test. I'm pretty confident I can figure this out, but I'll double-check my work to make sure I'm not missing anything.
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Gerry
8 months ago
This seems straightforward. I think the key is to understand the relationship between the network device and NSO, and how undeploying service instances affects that.
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Glenn
8 months ago
Ah, I've got this! The answer is D. We select Custom as the icon type and enter the icon URL in the Image Source field. Easy peasy!
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Michell
8 months ago
I'm pretty confident I know the answer to this. Kafka brokers don't contain all topics and partitions, they only have the ones they're responsible for.
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Elza
8 months ago
Ugh, I'm a bit lost on this one. I know KMS is used for key management, but the specifics of the encryption algorithms are throwing me off. I'll need to review my notes and try to eliminate the incorrect options.
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Albert
8 months ago
This seems straightforward - I think I'd go with option D and add the vendor as a guest user in the Azure portal.
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Elizabeth
1 year ago
Ah, the joys of database relations. It's like playing a game of 'Catch the Dangling Foreign Key' - you never know what's going to get deleted next!
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Diane
11 months ago
C
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Reyes
12 months ago
C) Cannot perform information deletion (being referenced in the OrderProduct table) in the Entiry Order. however, when deleting information being refenrent in Entity Customer, it will delete information in both Entity Customer and Entity Order.
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Tiera
12 months ago
B
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Danilo
12 months ago
B) Cannot perform information deletion (being referenced in the OrderProduct table) in the Entiry Order. However, when deleting information being refenrent in Entity OrderReceipt, it will delete information in both Entity OrderReceipt and Entity Order.
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Dustin
12 months ago
A
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Raina
1 year ago
A) When deleting information in Assubmit Order, all relevant information (being referent) in Customer and CustomerReceipt will also be deleted.
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Marti
1 year ago
Wait, so if I delete an order, the customer and receipt just vanish into thin air? That's like deleting your entire Amazon order history - poof, gone! Talk about a magic trick.
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Roxanne
1 year ago
Hmm, I'm going with C. Deleting a customer should delete the order, but deleting an order shouldn't delete the customer. Gotta be careful with those referential integrity rules, you know?
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Deonna
12 months ago
Definitely, deleting a customer should cascade to the order, but not the other way around.
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Lauran
1 year ago
Yes, it's important to set up the relationships correctly to avoid data inconsistencies.
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Aliza
1 year ago
I agree, referential integrity is crucial when dealing with database relationships.
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Cristal
1 year ago
D? Really? That can't be right. If you delete a customer, it should delete the order as well, not just the customer. These questions can be so tricky sometimes, ugh.
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Albina
1 year ago
I see your point. It can be confusing sometimes to understand the relationships between entities.
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Lynelle
1 year ago
But if you delete a customer, shouldn't it also delete the order associated with that customer?
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Isreal
1 year ago
I think D is correct. Deleting a customer should only delete the customer information, not the order.
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Phil
1 year ago
Okay, let's see... Option B seems to be the correct answer here. You can't delete an order because it's referenced in the OrderProduct table, but you can delete an OrderReceipt and it'll take the order with it. Simple enough!
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Maurine
12 months ago
Exactly, it's important to understand the relationships between the entities.
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Francene
1 year ago
That makes sense, you can't delete an Order because it's referenced in the OrderProduct table.
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Melinda
1 year ago
So, deleting an OrderReceipt will also delete the Order.
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Vincent
1 year ago
I agree, Option B is the correct answer.
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Floyd
1 year ago
I see your point, Skye. But I think the correct answer is C. Deleting information in Customer should delete information in both Customer and Order. It just seems more logical to me.
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Skye
1 year ago
I disagree, I believe the correct answer is B. It makes sense that you cannot delete information in OrderProduct table from Entity Order, but deleting information in OrderReceipt will delete information in both OrderReceipt and Order.
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Amie
1 year ago
I think the correct answer is A because when deleting information in Assubmit Order, all relevant information in Customer and CustomerReceipt will also be deleted.
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