NOROUND(a) 

NOROUND(a) is an arithmetic function that prevents the result of an UPDATE or INSERT statement from being rounded so that it matches the data type of the target column.

If the non-rounded number does not correspond to the data type of the target column, an error message is output.

 

Result of the NOROUND(a) function

a is the NULL value

NULL value

a is special NULL value

Special NULL value