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Selection Expert Formula

I need to select Customers and Customer Address from one table

that do have invoices in another table using an Invoice Date field.

Trying to determine: Customers that have not bought anything since July 2009.

How would this be entered in the Select Expert?

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1 Answer

  • author's profile photo Former Member
    Former Member
    Posted on Jan 27, 2010 at 08:22 PM

    I think the only way to achieve this is with an SQL Command, something like (MS SQL):

    select cust.*
    from customer cust
    inner join (
      select customer_code, max(invoice_date) as LastSale
      from invoices
      having max(invoice_date) < {?Date Cutoff}
    ) inv 
    on inv.customer_code = cust.customer_code
    

    Where {?Date Cutoff} is a parameter to the SQL Command for the "no sales since" date.

    HTH,

    Carl

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