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c○ M. Scholl, 2005/06 – Informationssysteme: 8. Data Warehousing 8-21
select decode(grouping(dname),1,’All Departements’,dname)
AS departement,
decode(grouping(job),1,’All Jobs’,job)
AS job,
count(*), sum(sal)
from
where
emp,dept
emp.deptno=dept.deptno
group by rollup (dname,job)
DEPARTEMENT JOB COUNT(*) SUM(SAL)
---------------- --------- --------- ---------
ACCOUNTING CLERK 1 1300
ACCOUNTING MANAGER 1 2450
ACCOUNTING PRESIDENT 1 5000
ACCOUNTING All Jobs 3 8750
RESEARCH ANALYST 2 6000
RESEARCH CLERK 2 1900
RESEARCH MANAGER 1 2975
RESEARCH All Jobs 5 10875
SALES CLERK 1 950
SALES MANAGER 1 2850
SALES SALESMAN 4 5600
SALES All Jobs 6 9400
All Departements All Jobs 14 29025