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Oracle® OLAP DML Reference 10g Release 2 (10.2) Part Number B14346-01 |
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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]...)

Arguments

expr

  An expression.

Examples

Example 14-3 Finding the Longest Text Expressions

The following statement selects the longest string.

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

Example 14-4 Finding the Largest Numerical Expression

The following statement selects the number with the greatest value.

    SHOW GREATEST (5, 3, 18)
    18