Exponential and logarithmic functions take at least one
argument and return a FLOAT data type.
The exponential and logarithmic functions have the following syntax.
Exponential and Logarithmic Functions
Element
Description
Restrictions
Syntax
float_expression
An argument to the EXP, LN, LOGN,
or LOG10 functions. For the meaning of float_expression in
these functions, see the individual heading for each function on the
pages that follow.
The domain is the set of real numbers, and the
range is the set of positive real numbers