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TRUNC (number)

TRUNC shortens a numeric expression to a specified number of decimal places.

Return Value



TRUNC(n1 [, n2 ])


n1 is the numeric expression to be truncated.

n2 is the number of decimal places. A positive number truncates digits to the right of the decimal point, and a negative number replaces digits to the left of the decimal point. The default value is zero (0).


TRUNC(15.79) returns the value 15.

TRUNC(15.79, 1) returns the value 15.7.

TRUNC(15.79, -1) returns the value 10.