calculate the columns of betweeen 2 percenteage ratio
HelloIn my table, we have a column with the name SEX that contains the values of'm ' and 'F' I need to know the percentage of woman.
Any suggestions are appreciated.
Thank you.
PK
Try this:
SQL> ed
Wrote file afiedt.buf
1 with t as (select 'M' col1 from dual
2 union all
3 select 'M' from dual
4 union all
5 select 'M' from dual
6 union all
7 select 'M' from dual
8 union all
9 select 'M' from dual
10 union all
11 select 'M' from dual
12 union all
13 select 'F' from dual
14 union all
15 select 'F' from dual
16 union all
17 select 'F' from dual
18 union all
19 select 'F' from dual
20 union all
21 select 'F' from dual
22 union all
23 select 'F' from dual)
24 SELECT col1,cnt,(cnt/total_cnt) * 100 "%" FROM
25* (SELECT col1,COUNT(*) cnt,SUM(COUNT(*)) OVER() total_cnt FROM t group by col1)
SQL> /
C CNT %
- ---------- ----------
F 6 50
M 6 50
SQL>
Tags: Database
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