AVG (SQL Server Compact Edition)

Returns the average of the values in a group. Null values are ignored.

Syntax

AVG ( [ ALL ] expression ) 

Arguments

  • ALL
    Applies the aggregate function to all values. ALL is the default.
  • expression
    An expression of the exact numeric or approximate numeric data type categories, except for the bit data type. Aggregate functions and subqueries are not permitted.

Return Value

The return type is determined by the type of the evaluated result of expression.

Expression result Return type

integer category

int

numeric category (p, s)

numeric(28, s) divided by numeric(10, 0)

money category

money

float and real category

float

Code Example

The following example determines the average weight of products shipped to a company that has a CustomerID of '123'.

SELECT AVG(Weight) AS "Average Weight" FROM ShippingDetails WHERE CustomerID = '123' AND OrderID IN (10248, 10274, 10295)

This is the result set:

Average Weight
--------------------
13.18