Oracle-L: RE: Substraction SQL query

From: Jonny Delmont <jonny99delmont_at_yahoo.co.uk>
Date: Mon, 29 Jul 2002 02:38:26 -0800
Message-ID: <F001.004A460F.20020729023826@fatcity.com>

Hi Manoj,
Again thanks a lot for your help!
Regards,
Jonny
cosltemp-g.manoj_at_orbitech.co.in wrote: i/p data

table : x_test

s_sum timestamp

2150 7/26/02 1:13:47 AM 
2162 7/26/02 1:15:01 AM
2170 7/26/02 1:16:27 AM
2200 7/26/02 1:20:34 AM

Solution :

select a.s_sum - b.s_sum s_sum,a.timestamp from x_test a,x_test b
where (a.s_sum > b.s_sum)
and b.s_sum =
(

select max(s_sum)
from x_test
where s_sum < a.s_sum
)
or rownum = 1

o/p data :

s_sum timestamp

0 7/26/02 1:13:47 AM
12 7/26/02 1:15:01 AM
8 7/26/02 1:16:27 AM
30 7/26/02 1:20:34 AM

-----Original Message-----
Sent: Friday, July 26, 2002 7:13 PM
To: ORACLE-L
Cc: jonny99delmont

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Received on Mon Jul 29 2002 - 05:38:26 CDT