Oracle - What Are Group Functions in Oracle

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What Are Group Functions in Oracle

Q

What Are Group Functions in Oracle?

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A

Group functions are functions applied to a group of rows. Examples of group functions are:

COUNT(*) - Returns the number of rows in the group.
MIN(exp) - Returns the minimum value of the expression evaluated on each row of the group.
MAX(exp) - Returns the maximum value of the expression evaluated on each row of the group.
AVG(exp) - Returns the average value of the expression evaluated on each row of the group.

⇒Understanding SQL SELECT Query Statements in Oracle

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