Untitled
public sql v1 · immutableSelect CustNumberFrom InvoiceWhere EXISTS( Select CustNumber From INVOICE x (NOLOCK) Where x.CustNumber = Invoice.CustNumber and x.InvNumber > Invoice.InvNumber and (x.OrderDate - Invoice.OrderDate) <= 90 Group By CustNumber Having Count(*) >= 4 and ((MAX(OrderDate) - Min(OrderDate)) > 30))Group By CustNumberOrder By CustNumber