SALESFORCE-PD1 Developer Fundamentals Practice Question
Which SOQL aggregate function should a developer use to count the exact number of rows returned by a query without retrieving the records into memory?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
COUNT()
The COUNT() function returns the number of rows matching the query criteria efficiently as an integer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
COUNT()
Why this is correct
COUNT() returns the total number of matching records.
- ✗
TOTAL()
Why it's wrong here
TOTAL is not a SOQL aggregate function.
- ✗
SUM()
Why it's wrong here
SUM calculates the numerical total of a numeric field.
- ✗
SIZE()
Why it's wrong here
SIZE is a collection method, not a SOQL function.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Salesforce exam blueprint
This SALESFORCE-PD1 practice question is part of Courseiva's free Salesforce certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SALESFORCE-PD1 exam.