The Aggregate Function Which Returns the Number of Nonnull Field

question 63

Multiple Choice

The aggregate function which returns the number of nonnull field values is the ____ function.

• A)Max
• B)Sum
• C)Avg
• D)Count

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Definitions:

Premises

Statements or assumptions that serve as the starting points for a logical argument, leading to a conclusion based on deductive reasoning.

Blind Taste Test

An evaluation method where the participants sample food or drink without knowing the brand or identity to prevent bias in their feedback.

Judged

Considered or deemed to be in a certain way, often after careful assessment.

Soundness

The attribute of an argument when it is both logically valid and its premises are true.