Топ-100
 
RDBMS Type: MySQL
Topic

Syntax:
GREATEST(value1,value2,...)

With two or more arguments, returns the largest (maximum-valued)
argument. The arguments are compared using the same rules as for
LEAST().

URL: https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html

Example

mysql> SELECT GREATEST(2,0);
-> 2
mysql> SELECT GREATEST(34.0,3.0,5.0,767.0);
-> 767.0
mysql> SELECT GREATEST('B','A','C');
-> 'C'