Let's learn about sum function #mysql #quiz #sql #databasemanagement

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Let's learn about sum function #mysql #quiz #sql #databasemanagement
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<<parameter>>
expression: The column or expression you want to sum. It must be a numeric type (e.g., integer, float).
DISTINCT: An optional keyword that, when used, calculates the sum of distinct (unique) values only.

<<How It Works>>
Basic Usage: The SUM function adds up all the values of the specified column or expression.
Using DISTINCT: When DISTINCT is specified, the function sums only distinct values, ignoring duplicates.

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