Difference Between Cube and Rollup


Difference Between Cube and Rollup

Row Labels
Sum of SAL


ANALYST
6000
Rollup
Cube
20
6000


CLERK
2850
Rollup
Cube
20
1900


30
950


MANAGER
8275
Rollup
Cube
10
2450


20
2975


30
2850


PRESIDENT
5000
Rollup
Cube
10
5000


SALESMAN
5600
Rollup
Cube
30
5600


Grand Total
27725
Rollup
Cube
10
7450

Cube
20
10875

Cube
30
9400

Cube


--====================================================

select * from XX_EMP_TL

EMPNO
ENAME
JOB
MGR
HIREDATE
SAL
COMM
DEPTNO
7369
SMITH
CLERK
7902
17-Dec-80
800

20
7499
ALLEN
SALESMAN
7698
20-Feb-81
1600
300
30
7521
WARD
SALESMAN
7698
22-Feb-81
1250
500
30
7566
JONES
MANAGER
7839
02-Apr-81
2975

20
7654
MARTIN
SALESMAN
7698
28-Sep-81
1250
1400
30
7698
BLAKE
MANAGER
7839
01-May-81
2850

30
7782
CLARK
MANAGER
7839
09-Jun-81
2450

10
7788
SCOTT
ANALYST
7566
09-Dec-82
3000

20
7839
KING
PRESIDENT

17-Nov-81
5000

10
7844
TURNER
SALESMAN
7698
08-Sep-81
1500
0
30
7876
ADAMS
CLERK
7788
12-Jan-83
1100

20
7900
JAMES
CLERK
7698
03-Dec-81
950

30
7902
FORD
ANALYST
7566
03-Dec-81
3000

20

--====================================================

select  DEPTNO, SUM(SAL) Salary
from XX_EMP_TL
GROUP BY  DEPTNO

DEPTNO
SALARY
30
9400
20
10875
10
7450


select NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL
from XX_EMP_TL
GROUP BY ROLLUP(DEPTNO)

DEPTNO
SAL
10
7450
20
10875
30
9400
Total
27725

select NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL
from XX_EMP_TL
GROUP BY CUBE(DEPTNO)
ORDER by 1

DEPTNO
SAL
10
7450
20
10875
30
9400
Total
27725

--===============with 2 Columns ==========================

select JOB, DEPTNO, SUM(SAL) Salary
from XX_EMP_TL
GROUP BY JOB, DEPTNO

JOB
DEPTNO
SALARY
MANAGER
20
2975
PRESIDENT
10
5000
SALESMAN
30
5600
ANALYST
20
6000
MANAGER
30
2850
MANAGER
10
2450
CLERK
30
950
CLERK
20
1900

select NVL(JOB,'TOTAL') JOB, NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL from XX_EMP_TL
GROUP BY ROLLUP(JOB, DEPTNO)
order by 1

JOB
DEPTNO
SAL
ANALYST
20
6000
ANALYST
TOTAL
6000
CLERK
20
1900
CLERK
30
950
CLERK
TOTAL
2850
MANAGER
10
2450
MANAGER
20
2975
MANAGER
TOTAL
8275
MANAGER
30
2850
PRESIDENT
TOTAL
5000
PRESIDENT
10
5000
SALESMAN
30
5600
SALESMAN
TOTAL
5600
TOTAL
TOTAL
27725

select NVL(JOB,'TOTAL') JOB, NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL from XX_EMP_TL
GROUP BY CUBE(JOB, DEPTNO)

JOB
DEPTNO
SAL
ANALYST
TOTAL
6000
ANALYST
20
6000
CLERK
TOTAL
2850
CLERK
30
950
CLERK
20
1900
MANAGER
30
2850
MANAGER
20
2975
MANAGER
TOTAL
8275
MANAGER
10
2450
PRESIDENT
TOTAL
5000
PRESIDENT
10
5000
SALESMAN
TOTAL
5600
SALESMAN
30
5600
TOTAL
10
7450
TOTAL
TOTAL
27725
TOTAL
20
10875
TOTAL
30
9400

-------  ROLLUP--------------
select * from (
select --NVL(TO_CHAR(MGR),'TOTAL') MGR,
NVL(JOB,'TOTAL') JOB, NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL from XX_EMP_TL
GROUP BY ROLLUP(JOB, DEPTNO)
) 
PIVOT (SUM(SAL) AS SALARY FOR (DEPTNO) IN (  
  '10' AS "10"     
, '20' AS "20"
, '30' AS "30"
, 'TOTAL' TOTAL
 )  )
 ORDER BY 1

JOB
10_SALARY
20_SALARY
30_SALARY
TOTAL_SALARY
ANALYST

6000

6000
CLERK

1900
950
2850
MANAGER
2450
2975
2850
8275
PRESIDENT
5000


5000
SALESMAN


5600
5600
TOTAL



27725

-------  CUBE --------------

select * from (
select --NVL(TO_CHAR(MGR),'TOTAL') MGR,
NVL(JOB,'TOTAL') JOB, NVL(TO_CHAR(DEPTNO),'TOTAL') DEPTNO, SUM(SAL) SAL from XX_EMP_TL
GROUP BY CUBE(JOB, DEPTNO)
) 
PIVOT (SUM(SAL) AS SALARY FOR (DEPTNO) IN (  
  '10' AS "10"     
, '20' AS "20"
, '30' AS "30"
, 'TOTAL' TOTAL
 )  )
 ORDER BY 1

JOB
10_SALARY
20_SALARY
30_SALARY
TOTAL_SALARY
ANALYST

6000

6000
CLERK

1900
950
2850
MANAGER
2450
2975
2850
8275
PRESIDENT
5000


5000
SALESMAN


5600
5600
TOTAL
7450
10875
9400
27725





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