Display columns from two tables without making join

Question

Hi,
I need to perform currency conversion in the report.
For eg:) Whatever the currency in ar_payment_schedules i want to
convert it to INR equivalent.
Following is the query to do this.
select ps.invoice_currency_code Currency_B,
     decode(ps.invoice_currency_code, 'INR',ps.amount_due_original,
               round(ps.amount_due_original*
                              ps.exchange_rate,
                         curr.precision)
     from
          ar_payment_schedules     ps,
          fnd_currencies          curr
     where ps.customer_id          = '111'
     and curr.currency_code      = 'INR'
When i do this in the Administration tool, the answers modules erroring out saying
that no joins between ar_payment_schedules and fnd_currencies. But here join is
not needed becuase fnd_currencies is filtered with INR and will return only
one row. Without joining two tables how can i get the same results in Answers.
thanks,
Prasanna

Answer 1

If it would return only one row then what is the need for the join (is it just for returning the precision?). Cant you just hard code the precision value instead of getting it from the table? Also you are doing a cartesian join, though the filters would take care of the final output this would result in a bad performance as your data starts scaling out. You need to find a key to join these 2 tables. If you do not have one, then just create a view with the cartesian join alone and then use that in your report.
Thanks,
Venkat
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