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 » SQL Functions » SQL Aggregate Functions » SQL MAX and MIN function

SQL MAX and MIN Functions

The SQL MAX() and MIN() functions allow you to display maximum and minimum values in a set.

MAX ([DISTINCT]|[ALL] <expression>)
MIN([DISTINCT]|[ALL] <expression>)

Here we have employee table:

employee_id  name      salary 
-----------  --------  -------
          1  jack      3000.00
          2  mary      2500.00
          3  newcomer  2000.00
          4  anna      2800.00
          5  Tom       2700.00
          6  foo       4700.00

To find the highest and lowest salary of employees in the list, the following query could be used:

SELECT MAX(salary) max_salary,
MIN(salary) min_salary
FROM employees

Here is the output:

max_salary  min_salary
----------  ----------
   4700.00     2000.00
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