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Salesforce DEX-450 Exam - Topic 9 Question 55 Discussion

Consider the following code snippet:Given the multi-tenant architecture of the Salesforce platform, what Is a best practice a developer should Implement and ensure successful execution of the method?
D) Avoid performing queries inside for loops.
A) Avoid executing queries without a limit clause.
B) Avoid returning an empty List of records.
C) Avoid using variables as query filters.

Salesforce DEX-450 Exam - Topic 9 Question 55 Discussion

Actual exam question for Salesforce's DEX-450 exam
Question #: 55
Topic #: 9
[All DEX-450 Questions]

Consider the following code snippet:

Given the multi-tenant architecture of the Salesforce platform, what Is a best practice a developer should Implement and ensure successful execution of the method?

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Suggested Answer: D

by Noah at Jun 14, 2022, 09:52 PM

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Arlette
10 months ago
Returning an empty list can be okay sometimes, though.
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Noe
10 months ago
Surprised that people still do queries in loops, isn't that basic?
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Kathryn
10 months ago
Yeah, limiting queries is a must in multi-tenant!
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Hoa
11 months ago
I think using variables as query filters is fine, right?
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Jettie
11 months ago
Definitely avoid performing queries inside for loops!
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Erasmo
11 months ago
I recall that returning an empty list isn't necessarily a bad practice, but it might not be the best approach for handling results.
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Elenor
11 months ago
I practiced a similar question, and I believe avoiding executing queries without a limit clause is crucial for performance.
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Daniela
11 months ago
I'm not entirely sure, but I feel like using variables as query filters might be okay in some cases?
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Mi
11 months ago
I think I remember something about avoiding queries inside loops being a common best practice to prevent governor limits from being hit.
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Jesusa
11 months ago
Hmm, I'm a bit confused on the difference between an A/B test and an XT activity. Do we need to create a custom audience either way, or is there a simpler solution?
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Geraldo
11 months ago
Okay, let me start by eliminating the options that are clearly not specific to the Application Server. Then I can focus on the remaining choices and select the three correct ones.
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