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 and 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.