Specifies the maximum size of both char and binary results. If the maximum size is exceeded, the datatype is promoted to text and image, respectively.
XNLChar=integer
256
integer is a valid number between 256 - 2147483647 (two gigabytes).
Sybase recommends that this value match the maximum size of the char and binary datatypes of the back end database. It is common for this limit to be the same for the char and binary datatypes.