using COUNT and GROUP BY with zero-values

using COUNT and GROUP BY with zero-values

I’m trying to query our Human Resources database to find the number of temporary employees in each department. I’m using the following SQL statement:

select count (*)from employeewhere status = 'Temporary'group by departments;

I expect the following results:


but am getting:


That is, the zero-count departments are not in my results. Is there a way to specify that I want the zeros returned, too?

Using SQL Server you need add only one more word to obtain the desired result. Change the group by departments to group by ALL departments. The “all” keyword tells SQL Server to return all departments, even those with a count of 0.

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