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Oracle® OLAP DML Reference
11g Release 2 (11.2)

Part Number E17122-05
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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

GREATEST (expr [, expr]...)

Parameters

expr

An expression.

Examples

Example 7-104 Finding the Text Expression that is Last Alphabetically

The following statement selects the string that is last in alphabetic sequence.

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

Example 7-105 Finding the Largest Numerical Expression

The following statement selects the number with the greatest value.

SHOW GREATEST (5, 3, 18)
18