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Salesforce DEX-450 Exam - Topic 4 Question 120 Discussion

Actual exam question for Salesforce's DEX-450 exam
Question #: 120
Topic #: 4
[All DEX-450 Questions]

The Job _Application__c custom object has a field that is a master-detail relationship to the Contact object, where the Contact object is the master.

As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is

'Technology', while also retrieving the Contact's Job_Application__c records.

Based on the object's relationships, what is the most efficient statement to retrieve the list of Contacts?

A)

B)

C)

D)

Show Suggested Answer Hide Answer
Suggested Answer: A

by Mitzie at Nov 24, 2025, 08:17 PM

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Viva
3 days ago
Definitely going with Option C!
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Leonard
8 days ago
Wait, why would we need to filter by Account Industry?
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Francesco
13 days ago
I think Option A is more efficient, though.
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Veronika
18 days ago
Option B looks solid for this query.
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Sophia
23 days ago
Haha, these options are like a game of Tetris. I'll go with B!
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Nadine
29 days ago
Option A is just too complicated. I'll stick with C.
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Agustin
1 month ago
Option D is the way to go. Gotta love that SOQL query!
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Salome
1 month ago
I'm going with Option B. Seems the most efficient.
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Hollis
1 month ago
I think Option C looks familiar, but I’m not entirely confident. I remember something about using the WHERE clause effectively in these types of queries.
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Yoko
2 months ago
I have a hunch that the answer involves using a subquery to get the Job_Application__c records, but I’m a bit confused about how to structure it correctly.
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Noe
2 months ago
I think we did a similar question in class about retrieving related records. I feel like filtering by Account Industry is key, but I can't recall the exact syntax.
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Daniela
2 months ago
I remember practicing SOQL queries with master-detail relationships, but I'm not sure which option is the most efficient here.
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Nan
2 months ago
Okay, I think I've got a strategy. I'll need to use a join to bring in the related Job_Application__c records, and then filter for the specific Account Industry.
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Latonia
3 months ago
Option C looks good to me.
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Pearlene
3 months ago
This seems straightforward, but I want to double-check my understanding of the object model before committing to an answer.
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Dolores
3 months ago
I'm pretty confident I can solve this one. The key is understanding how to leverage the master-detail relationship to pull the data I need.
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Nelida
3 months ago
Hmm, I'm a bit confused by the master-detail relationship between Contact and Job_Application__c. I'll need to think through how that impacts the query.
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Rodolfo
3 months ago
This looks like a tricky one. I'll need to carefully consider the object relationships and how to efficiently retrieve the data.
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Madelyn
2 months ago
This is definitely tricky!
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