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This is a common problem, and I'm not sure if here's the problem here:

= & Gt;

Explanation:

  • A ticket falls under one attendance
  • There is a revenue receipt
  • Get the total revenue by section and need.
  • This double is present in the calculation because 2 tickets can be related to that same presence, thus in double counting I want to get the sum of revenue, but only want to count the attendees once.

    In my SQLFlash example, I want to see: 

      section | Total_re venue ------------------------ a. 40 & lt; = 40 is correct, but I'm getting 50 ... b. Zero C | 40   
       I want to solve it without the use of sub-queries. I need a scalable solution that gives me the same query in different columns on different columns Will allow this to happen. So whichever one allows me to accomplish this, I am open to suggestions.    
     Thank you for your help.   
     
     
     here  row_number () :  
      Select section is a version using zodiac (revenue) t. Section, A.View, Route_Number (), (Division A by AED, T. order order by AID), select Tickets from RT, join TATand_ID = AID people who are present) src where RN = 1 group by section order by section;   
     View

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