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aggregates and case statements

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Is there a way to make the following statement return the total of all effort. At the moment it gives a list of sum vs case.

select sum(effort),

CASE WHEN effortandattainment.effort=5 THEN -3

WHEN effortandattainment.effort=4 THEN -2

WHEN effortandattainment.effort=3 THEN 1

WHEN effortandattainment.effort=2 THEN 2

WHEN effortandattainment.effort=1 THEN 3

END

from effortandattainment

group by case

Regards

Garry


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