Sum with CUBE : SUM « Aggregate Functions « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » Aggregate Functions » SUM 
9. 7. 4. Sum with CUBE
4create table department(
5>    dept_name     char(20)     not null,
6>    emp_cnt       int          not null,
7>    budget        float,
8>    date_month    datetime);
9> GO
1>
2insert into department values('Research', 550000'01.01.2002');
3insert into department values('Research', 1070000'01.02.2002');
4insert into department values('Research', 565000'01.07.2002');
5insert into department values('Accounting', 510000'01.07.2002');
6insert into department values('Accounting', 1040000'01.02.2002');
7insert into department values('Accounting', 630000'01.01.2002');
8insert into department values('Accounting', 640000'01.02.2003');
9insert into department values('Marketing', 610000'01.01.2003');
10insert into department values('Marketing', 1040000'01.02.2003');
11insert into department values('Marketing', 330000'01.07.2003');
12insert into department values('Marketing', 540000'01.01.2003');
13> GO

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)

(rows affected)
1>
2>
3>
4SELECT dept_name, emp_cnt, SUM(budgetsum_of_budgets
5FROM department
6> GROUP BY dept_name, emp_cnt
7> WITH CUBE;
8> GO
dept_name            emp_cnt     sum_of_budgets
-------------------- ----------- ------------------------
Accounting                     5                    10000
Accounting                     6                    70000
Accounting                    10                    40000
Accounting                  NULL                   120000
Marketing                      3                    30000
Marketing                      5                    40000
Marketing                      6                    10000
Marketing                     10                    40000
Marketing                   NULL                   120000
Research                       5                   115000
Research                      10                    70000
Research                    NULL                   185000
NULL                        NULL                   425000
NULL                           3                    30000
NULL                           5                   165000
NULL                           6                    80000
NULL                          10                   150000

(17 rows affected)
1>
2>
3> drop table department;
4> GO
1>
2>
9. 7. SUM
9. 7. 1. SUM returns the total value in a column of all selected records or all the DISTINCT (unique) values selected by the query.
9. 7. 2. Sum function with column alias
9. 7. 3. SUM with group by
9. 7. 4. Sum with CUBE
9. 7. 5. SUM with WITH ROLLUP
9. 7. 6. HAVING SUM(Salary) > 1000
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