Report on percentage metrics with SQL

Question

Hi All,
We have a requirement to create a report on few metrics.
Example
ORG COST_BY_ORG PERCENTAGE
FA1 total 100 14.29%
HG total 400 57.14%
JY total 200 28.57%
grand total: 700 100%
I was able to acheive till the totals by ORG. But not sure how I could include the percentage with in the same query.
Any ideas please!
Thanks,
Prathima

Answer 1

SQL> create table t (org,account,amount)
  2  as
  3  select 'A1', 101, 100 from dual union all
  4  select 'A2', 101, 20 from dual union all
  5  select 'A2', 102, 44 from dual union all
  6  select 'A3', 102, 34 from dual union all
  7  select 'A3', 103, 50 from dual union all
  8  select 'A4', 103, 29 from dual union all
  9  select 'A5', 103, 32 from dual union all
10  select 'A4', 120, 10 from dual
11  /
Tabel is aangemaakt.
SQL> select org
  2       , case grouping(org)
  3         when 1 then 'Total by ' || to_char(account) || ' Account: ' || to_char(sum(amount))
  4         else to_char(amount)
  5         end amount
  6       , to_char(round(100*sum(rtr),2)) || '%' percentage
  7    from ( select org
  8                , account
  9                , amount
10                , ratio_to_report(amount) over (partition by account) rtr
11             from t
12         )
13   group by account,rollup((org,amount))
14  /
OR AMOUNT                         PERCENTAGE
A1 100                            83,33%
A2 20                             16,67%
   Total by 101 Account: 120      100%
A2 44                             56,41%
A3 34                             43,59%
   Total by 102 Account: 78       100%
A3 50                             45,05%
A4 29                             26,13%
A5 32                             28,83%
   Total by 103 Account: 111      100%
A4 10                             100%
   Total by 120 Account: 10       100%
12 rijen zijn geselecteerd.Regards,
Rob.