TRUNCNUM function [Numeric]

Function

Truncates a number at a specified number of places after the decimal point.

Syntax

TRUNCNUM ( numeric-expression, integer-expression )

Parameters

numeric-expression The number to be truncated.

integer-expression A positive integer specifies the number of significant digits to the right of the decimal point at which to round. A negative expression specifies the number of significant digits to the left of the decimal point at which to round.

Examples

The following statement returns the value 600.

SELECT TRUNCNUM( 655, -2 ) FROM iq_dummy

The following statement: returns the value 655.340.

SELECT TRUNCNUM( 655.348, 2 ) FROM iq_dummy

Usage

This function is the same as “TRUNCATE,” but does not cause keyword conflicts.

Combinations of ROUND, FLOOR, and CEILING can be used to provide similar functionality.

Standards and compatibility

SQL/92 Vendor extension.

Sybase Not supported in Adaptive Server Enterprise.

See also

“ROUND function [Numeric]”

“TRUNCATE function [Numeric]”