Magalaki3881 Magalaki3881

30-11-2022
Computers and Technology

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examine the following statement: select department id, manager id, job id, sum(salary) from employees group by rollup(department id, manager id) what extra data will this query generate?
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Sum of salaries for (department_id, job_id) and (department_id, manager_id) (*)
Sum of salaries for (department_id, job_id, manager_id)
Subtotals for (job_id, manager_id)
The statement will fail.

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