Calculate amount b/w dates

Question

hi
i need to calculate the amount between two dates with case statement
can anyone giude me
1-90 >90
amount amount
trx_date and receipt date for <= 90 days
>= 90 days
can anyone help me
thanks

Answer 1

SQL> with tab as
  2  (select 1000 amt , to_date('1-3-09','DD-MM-YY') t_date, to_date('1-5-09','DD-MM-YY') r_date from dual union all
  3  select 5000 amt , to_date('5-1-09','DD-MM-YY') t_date, to_date('1-7-09','DD-MM-YY')r_date from dual union all
  4  select 8000 amt , to_date('17-9-09','DD-MM-YY') t_date, to_date('17-10-09','DD-MM-YY')r_date from dual union all
  5  select 9000 amt , to_date('10-7-09','DD-MM-YY') t_date, to_date('10-9-09','DD-MM-YY')r_date from dual
  6  )
  7  select days,(case when days <= 31 then amt
  8     when days <= 60 then amt
  9     when days <=90 then amt
10     when days >90 then amt end)amt
11  from(select round(r_date-t_date)days,amt from tab)
12  order by days;
      DAYS        AMT
        30       8000
        61       1000
        62       9000
       177       5000Twinkle