avg

Description

Calculate the arithmetic average of the input expression across the group, or of the scalar arguments if more than one. In the case of the scalar arguments, the function evaluates to null if any of the arguments evaluate to null.

Return type

value

Domain

This is an aggregate function (aggregates rows over a group in aggregate verbs.)

This is a window function (calculates over a group of multiple input rows using windowing.)

Categories

• Aggregate

• Numeric

• Time

• Window

Usage

avg(value_1, value_2, ...)

Argument	Type	Optional	Repeatable	Restrictions
value	numeric or duration	no	yes	none