Which of the Following Counts ONLY Rows That Contain a Value

question 49

Multiple Choice

Which of the following counts ONLY rows that contain a value?

• A) COUNT
• B) COUNT(*)
• C) TALLY(*)
• D) CHECKNUM

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Definitions:

Propionic Acid

A naturally occurring carboxylic acid with chemical formula C3H6O2, used in food preservation.

Alanine

A nonessential amino acid that is used in the biosynthesis of proteins.

Amino Group

A functional group consisting of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, or aryl groups.

Amino Acid

Organic compounds containing an amine group, a carboxylic acid group, and a side chain that varies between different amino acids, key building blocks of proteins.