AVG
All functions > AGGREGATE > AVG
Returns the average of the values in the group.
Syntax
AVG(expr: T) → T
sql
Type Parameters:
T
: Any numeric type (TINYINT, SMALLINT, INTEGER, BIGINT, FLOAT, DOUBLE, DECIMAL)
Arguments
Parameter | Type | Required | Description |
---|---|---|---|
expr | T | Yes | The numeric expression to average |
Returns
The arithmetic mean of all non-NULL values
Notes
- Calculates the arithmetic mean (sum divided by count)
- NULL values are excluded from the calculation
- Returns NULL if all values are NULL or group is empty
- Result type matches input type
- Can be used with WHERE clause to filter before aggregation
- Can be used with GROUP BY clause for grouped aggregation