Most individuals having database experience with MySQL will find shortly after using Sybase DBMS that the backslash character does not escape characters. Instead in Sybase T-SQL the single quote itself acts as the escape character. Below is a sample UPDATE statement showing the difference in escaping the single quote character in MySQL and Sybase.
UPDATE COMPANY SET NAME = 'Joseph's Shoes' WHERE ID = 3
UPDATE COMPANY SET NAME = 'Joseph''s Shoes' WHERE ID = 3