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Is it possible to make an where var1!=var2 ? because when I try the compiler said it”s an invalid operator . (i also tried NOT IS).
The full Error-Message:
Invalid use of '.', '!', or '()'. in query expression
'emp_course.e_id!=employee.e_id'
Have you tried this:
TSQL allows both
!=and<>, whereas other dialects have different rules.