The SQL Aggregate Function That Gives the Number of Rows

question 19

Multiple Choice

The SQL aggregate function that gives the number of rows containing non-null values for a given column is _____.

• A) COUNT
• B) MIN
• C) MAX
• D) SUM

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Definitions:

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Record

To capture and store information for future use or to denote an all-time high or low measurement in a specific context.

Probability Assignment Rule

A principle that assigns a probability to each outcome of a well-defined experiment in accordance with certain conditions.

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A device used to generate random outcomes, often used in games of chance or to make random selections.