GREATEST

The GREATEST function returns the largest expression in a list of expressions. All expressions after the first are implicitly converted to the data type of the first expression before the comparison.

To retrieve the smallest expression in a list of expressions, use ​​LEAST​​.

Return Value

The data type of the first expression.

Syntax

expr [, expr]...)

Arguments


expr

An expression.

Examples


Example 16-3 Finding the Longest Text Expressions

The following statement selects the longest string.



SHOW GREATEST ('Harry', 'Harriot', 'Harold') Harriot


Example 16-4 Finding the Largest Numerical Expression

The following statement selects the number with the greatest value.



SHOW GREATEST (5, 3, 18) 18