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Use

TRUNC(a,n) is an arithmetic function with the following result (for the expressions a and n that are numbers):

TRUNC(a)- Truncation of the decimal places from a

TRUNC(a,n)- Truncation of the number a after n places after the decimal point

TRUNC(a,-n)- Setting n places of the number a before the decimal point to 0

a, n

Result of the TRUNC(a,n) Function

n>0

Number a that is truncated n places after the decimal point

n=0

Integer component of a

n<0

Number a that is truncated s places before the decimal point

n not specified

As with n=0

n is not an integer

The integer component of n is used and the result is as with n>0, n=0, or n<0

a is a floating point number

Floating point number

a is a fixed point number

Fixed point number

a is a NULL value

NULL value

a is a special NULL value

Special NULL Value