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SQL Anywhere 11.0.1 (Français) » UltraLite - Database Management and Reference » UltraLite SQL Reference » UltraLite SQL functions » SQL functions (A-D)

 

AVG function [Aggregate]

Computes the average, for a set of rows, of a numeric expression or of a set of unique values.

Syntax 1
AVG( numeric-expression | DISTINCT numeric-expression )
Parameters
  • numeric-expression   The expression whose average is calculated over a set of rows.

  • DISTINCT clause   Computes the average of the unique numeric values in the input.

Returns

Returns the NULL value for a group containing no rows.

Returns DOUBLE if the argument is DOUBLE, otherwise NUMERIC.

Remarks

This average does not include rows where the numeric-expression is the NULL value.

See also
Standards and compatibility
  • SQL/2003   Core feature.

Example

The following statement returns the value 49988.623200.

SELECT AVG( Salary ) FROM Employees;

The following statement returns the average product price from the Products table:

SELECT AVG( DISTINCT UnitPrice ) FROM Products;