Adobe Exam AD0-E709 Topic 5 Question 21 Discussion

Actual exam question for Adobe's AD0-E709 exam

Question #: 21
Topic #: 5

When building a custom page we need to get a collection of dat

a. To determine how many items are in this collection, the Adobe Commerce developer uses $collection->count() . This sometimes is slow and causes some delay.

What is the reason?

AThe collection is loaded first and then the number of items in the collection are returned.

BBefore the collection is loaded, the framework performs left joins for all related attributes are added to the query.

CThe framework internally uses SELECT count(-) and that is slower than loading the collection.

Show Suggested Answer

Suggested Answer: B

by Dalene at Mar 19, 2023, 05:07 PM

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