decode(sign(a), -1, 0, a)

Ron Thomas
Hypercom, Inc
[EMAIL PROTECTED]
"I'm too sexy for my code." - Awk Sed Fred


                                                                                       
                        
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                    07/20/01                                                           
                        
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I have a table with a number column(Col A).I want to display A-1.There could
be some negative values in
this A-1 column.But I want to display 0 whereever negative value appears.I
can use the ROUND(A-1) but this
will round the other positive value to the next positve integer which I
don't want to happen.

 select a,a-1,round(a-1) from t;

    A        A-1 ROUND(A-1)
----- ---------- ----------
    3          2          2
    1          0          0
   .6        -.4          0
   .8        -.2          0
    6          5          5
  3.5        2.5          3
  .69       -.31          0
  2.7        1.7          2

sum         10.29------>this value is the sum of all the negative and
positive numbers

I want the o/p to be like this.The decimal numbers should not be rounded off
to the next number.

 select a,a-1,round(a-1) from t;

    A        A-1 MY REQUIREMENT
----- ---------- ----------
    3          2          2
    1          0          0
   .6        -.4          0
   .8        -.2          0
    6          5          5
  3.5        2.5          2.5
  .69       -.31          0
  2.7        1.7          1.7

Sum                                       11.2(My REQUIREMENT)

My requirement is to compute the sum of the columns for exact value i.e I
want the sum of only the positive numbers(negative numbers should not be
counted for the sum that's why I want to display 0 for negative value as the
sum function adds all the positive and negative numbers)

How can I do this

Thanks
Ravindra

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Author: Ravindra Basavaraja
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Ron Thomas
  INET: [EMAIL PROTECTED]

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