Salesforce DEX-450 Exam - Topic 9 Question 55 Discussion

Actual exam question for Salesforce's DEX-450 exam

Question #: 55
Topic #: 9

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?

AAvoid executing queries without a limit clause.

BAvoid returning an empty List of records.

CAvoid using variables as query filters.

DAvoid performing queries inside for loops.

Show Suggested Answer

Suggested Answer: D

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

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Arlette

4 months ago

Returning an empty list can be okay sometimes, though.

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Noe

4 months ago

Surprised that people still do queries in loops, isn't that basic?

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Kathryn

4 months ago

Yeah, limiting queries is a must in multi-tenant!

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Hoa

4 months ago

I think using variables as query filters is fine, right?

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Jettie

4 months ago

Definitely avoid performing queries inside for loops!

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Erasmo

5 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

5 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

5 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

5 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

5 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

5 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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