In this blog post, you’ll learn more about the Sybase Error Number of columns allowing NULLs exceeds limit and the reason for receiving this error
Sybase SQL Error Message
Number of columns allowing NULLs exceeds limit
Reason for this Error
You attempted to create or modify a table definition such that the number of columns that allow NULLS is now more than the limit on such columns. The limit is a function of database page size and is approximately 8*(page-size – 30).