MAX
Calculates the maximum value of an expression across all input values.
Syntax
MAX(<expression>)
Parameters
| Parameter | Description | Supported input types |
|---|---|---|
<expression> | The expression used to calculate the maximum value | Any string, numeric or date/timestamp type |
Valid values for the expression include a column name or functions that return a column name.
Return Types
Same as input type
Example
For this example, see the following table, tournaments:
| name | totalprizedollars |
|---|---|
| The Drifting Thunderdome | 24,768 |
| The Lost Track Showdown | 5,336 |
| The Acceleration Championship | 19,274 |
| The Winter Wilderness Rally | 21,560 |
| The Circuit Championship | 9,739 |
When used on the totalprizedollars column, MAX will return the highest value.
SELECT
MAX(totalprizedollars) as maxprize
FROM
tournaments;
Returns: 24,768
MAX can also work on text columns by returning the text row with the characters that are last in the lexicographic order. In this example, the function assesses the name column in the tournaments table.
SELECT
MAX(name) as maxtournament
FROM
tournaments;
Returns: The Winter Wilderness Rally