Serial Number in Rollup Query

Question

Hi All
I want to create Serial Number(running number like 1,2,3...)
in Rollup Query. But my problem is,I want to create running number all rows except for Toatl row.
EX:
select COMPANY,DEPT,SUM(SALARY) from emp
GROUP BY ROLLUP(COMPANY_NAME,DEPT)
Expected O/P :
SL.No     COMPANY     DEPT     SALARY
1     ABC     P     60000
2     ABC     A     40000
     ABC          100000
3     XYZ     P     30000
4     XYZ     A     40000
     XYZ          70000
               170000
How to do the above? Help me..
Regs
Kumar

Answer 1

SQL> create table emp (company,dept,salary)
  2  as
  3  select 'ABC', 'P', 60000 from dual union all
  4  select 'ABC', 'A', 20000 from dual union all
  5  select 'ABC', 'A', 20000 from dual union all
  6  select 'XYZ', 'P', 15000 from dual union all
  7  select 'XYZ', 'P', 15000 from dual union all
  8  select 'XYZ', 'A', 40000 from dual
  9  /
Table created.
SQL> select case grouping_id(company,dept)
  2         when 0 then row_number() over (order by grouping_id(company,dept),company,dept desc)
  3         end sl_no
  4       , company
  5       , dept
  6       , sum(salary)
  7    from emp
  8   group by rollup(company,dept)
  9   order by company
10       , dept desc nulls last
11  /
     SL_NO COM D SUM(SALARY)
         1 ABC P       60000
         2 ABC A       40000
           ABC        100000
         3 XYZ P       30000
         4 XYZ A       40000
           XYZ         70000
                      170000
7 rows selected.Regards,
Rob.