MAX (Lakehouse v1)

Aggregate function.

The MAX() function returns the maximum value in a set of values.

Analyze Syntax

func.max(<column>)

Analyze Examples

table.city, func.max(table.temperature).alias('max_temperature')

|    city    | max_temperature |
|------------|-----------------|
| New York   |       32        |

SQL Syntax

MAX(<expr>)

Arguments

Arguments	Description
<expr>	Any expression

Return Type

The maximum value, in the type of the value.

SQL Examples

Create a Table and Insert Sample Data

CREATE TABLE temperatures (
  id INT,
  city VARCHAR,
  temperature FLOAT
);

INSERT INTO temperatures (id, city, temperature)
VALUES (1, 'New York', 30),
       (2, 'New York', 28),
       (3, 'New York', 32),
       (4, 'Los Angeles', 25),
       (5, 'Los Angeles', 27);

Query Demo: Find Maximum Temperature for New York City

SELECT city, MAX(temperature) AS max_temperature
FROM temperatures
WHERE city = 'New York'
GROUP BY city;

Result

|    city    | max_temperature |
|------------|-----------------|
| New York   |       32        |