What query can we use ...for over 30 days

Question

select PROPERTY,RELAVANTDATE ,
sum(NOTICES) over (
partition by property
order by RELAVANTDATE
range between interval '30' day preceding and current row
) "SUM"
from Test_Data
what query can we use ...for over 30 days
can i use following or preceding

Answer 1

SCOTT@soti_9> WITH Test_Data AS (
  2    select 10100 as property, to_date('25-JAN-07') as RelavantDate, 20 as notices from dual union all
  3    select 10100 as property, to_date('25-DEC-07') as RelavantDate, 5 as notices from dual union all
  4    select 10100 as property, to_date('02-JAN-08') as RelavantDate, 10 as notices from dual union all
  5    select 10100 as property, to_date('01-DEC-08') as RelavantDate, 10 as notices from dual union all
  6    select 10100 as property, to_date('02-DEC-08') as RelavantDate, 20 as notices from dual union all
  7    select 10100 as property, to_date('31-DEC-08') as RelavantDate, 20 as notices from dual union all
  8    select 10100 as property, to_date('03-JAN-09') as RelavantDate, 30 as notices from dual union all
  9    select 10100 as property, to_date('25-JAN-09') as RelavantDate, 20 as notices from dual
10  )
11  select PROPERTY,RELAVANTDATE ,
12    sum(NOTICES) over (
13      partition by property
14      order by RELAVANTDATE
15      range between current row and interval '30' day following
16    ) "SUM"
17  from Test_Data
18  ;
  PROPERTY RELAVANTD        SUM
     10100 25-jan-07         20
     10100 25-dec-07         15
     10100 02-jan-08         10
     10100 01-dec-08         50
     10100 02-dec-08         40
     10100 31-dec-08         70
     10100 03-jan-09         50
     10100 25-jan-09         20
8 rows selected.Regards,
Dima