CUBE performs this rollup for every combination of grouped column values. : CUBE « Analytical Functions « SQL Server / T-SQL Tutorial






The CUBE operator is an expanded version of the ROLLUP operator.



7> CREATE TABLE employee(
8>    id          INTEGER NOT NULL PRIMARY KEY,
9>    first_name  VARCHAR(10),
10>    last_name   VARCHAR(10),
11>    salary      DECIMAL(10,2),
12>    start_Date  DATETIME,
13>    region      VARCHAR(10),
14>    city        VARCHAR(20),
15>    managerid   INTEGER
16> );
17> GO
1> INSERT INTO employee VALUES (1, 'Jason' ,  'Martin', 5890,'2005-03-22','North','Vancouver',3);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (2, 'Alison',  'Mathews',4789,'2003-07-21','South','Utown',4);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (3, 'James' ,  'Smith',  6678,'2001-12-01','North','Paris',5);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (4, 'Celia' ,  'Rice',   5567,'2006-03-03','South','London',6);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (5, 'Robert',  'Black',  4467,'2004-07-02','East','Newton',7);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (6, 'Linda' ,  'Green' , 6456,'2002-05-19','East','Calgary',8);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (7, 'David' ,  'Larry',  5345,'2008-03-18','West','New York',9);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (8, 'James' ,  'Cat',    4234,'2007-07-17','West','Regina',9);
2> GO

(1 rows affected)
1> INSERT INTO employee VALUES (9, 'Joan'  ,  'Act',    6123,'2001-04-16','North','Toronto',10);
2> GO

(1 rows affected)
1>
2> select * from employee;
3> GO
id          first_name last_name  salary       start_Date              region     city                 managerid
----------- ---------- ---------- ------------ ----------------------- ---------- -------------------- -----------
          1 Jason      Martin          5890.00 2005-03-22 00:00:00.000 North      Vancouver                      3
          2 Alison     Mathews         4789.00 2003-07-21 00:00:00.000 South      Utown                          4
          3 James      Smith           6678.00 2001-12-01 00:00:00.000 North      Paris                          5
          4 Celia      Rice            5567.00 2006-03-03 00:00:00.000 South      London                         6
          5 Robert     Black           4467.00 2004-07-02 00:00:00.000 East       Newton                         7
          6 Linda      Green           6456.00 2002-05-19 00:00:00.000 East       Calgary                        8
          7 David      Larry           5345.00 2008-03-18 00:00:00.000 West       New York                       9
          8 James      Cat             4234.00 2007-07-17 00:00:00.000 West       Regina                         9
          9 Joan       Act             6123.00 2001-04-16 00:00:00.000 North      Toronto                       10

(9 rows affected)
1>
2>
3>
4> SELECT region, city, SUM(salary)
5> FROM Employee
6> GROUP BY region, city
7> WITH CUBE
8> GO
region     city
---------- -------------------- ----------------------------------------
East       Calgary                                               6456.00
East       Newton                                                4467.00
East       NULL                                                 10923.00
North      Paris                                                 6678.00
North      Toronto                                               6123.00
North      Vancouver                                             5890.00
North      NULL                                                 18691.00
South      London                                                5567.00
South      Utown                                                 4789.00
South      NULL                                                 10356.00
West       New York                                              5345.00
West       Regina                                                4234.00
West       NULL                                                  9579.00
NULL       NULL                                                 49549.00
NULL       Calgary                                               6456.00
NULL       London                                                5567.00
NULL       New York                                              5345.00
NULL       Newton                                                4467.00
NULL       Paris                                                 6678.00
NULL       Regina                                                4234.00
NULL       Toronto                                               6123.00
NULL       Utown                                                 4789.00
NULL       Vancouver                                             5890.00

(23 rows affected)
1>
2>
3> drop table employee;
4> GO
1>
2>
3>








14.2.CUBE
14.2.1.Summarizing Data with CUBE
14.2.2.Using GROUPING with CUBE
14.2.3.Using the CUBE Operator
14.2.4.A summary query that includes a final summary row with 'WITH CUBE'
14.2.5.A summary query that includes a summary row for each set of groups
14.2.6.CUBE performs this rollup for every combination of grouped column values.
14.2.7.Creating the Vbase_cube View to Hide the CUBE Query Complexity