sql - cognos 8 - how to get a set of more sets -


I have created a report, and have encountered some problem I have a course reference number which has many classes and the meeting The type of course is a reference number in the reference number, for example 

  course reference number meeting type 12345 class 12345 exam   
 and some courses Reference number does not contain   
 
  
 Itemprop = "text"> 
 Spun that just a [Meeting type] that this "class", and two "class", "test"? If so, create a data item that counts ([meeting type]). After this, make a brief filter where counting ([meeting type]) = 1  
 If a course can have a [meeting type] that is a "class" or "test", then I Two questions. It can not be done in only one query (without the use of custom SQL) Conceptually, the first type of course is "Examination" type of course, the second question is that all courses connect them using the "leaving" operators in the toolbox.

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