In this blog post, you’ll learn more about the Sybase Error Cannot uniquely identify rows in cursor and the reason for receiving this error
Sybase SQL Error Message
Cannot uniquely identify rows in cursor
Reason for this Error
You opened a UNIQUE cursor on a SELECT statement for which a set of columns uniquely identifying each row cannot be generated. One of the tables may not be defined with a primary key or uniqueness constraint, or the SELECT statement may involve a UNION, INTERSECT, EXCEPT, or GROUP BY.
