Sybase Error – Select lists in UNION, INTERSECT, or EXCEPT do not match in length

In this blog post, you’ll learn more about the Sybase Error Select lists in UNION, INTERSECT, or EXCEPT do not match in length and the reason for receiving this error

Sybase SQL Error Message

Select lists in UNION, INTERSECT, or EXCEPT do not match in length

Reason for this Error

You specified a UNION, INTERSECT, or EXCEPT, but the SELECT statements involved in the operation do not have the same number of columns in the SELECT list.