Find records that do not have a corresponding record in the same table

Question

I have the following table:

 ID | JobID | Data   | ResultType
---------------------------------
  1 | 12345 | XXXX   | 0
  2 | 12345 | YYYY   | 1
  3 | 23456 | A         


        

Answer 1

SELECT JobID FROM  WHERE ResultType <> 1

Is this what you want ???