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declare  @tmpJobs table(Id int, 
                        LocationId int, 
                        CategorySectorId int)


insert into @tmpJobs(Id, LocationId, CategorySectorId)
select intAd_id, locationid, categorysectorid 
from fnJobAlertOptionsBySiteID(@SiteID)


--use temporary table
Select tj.LocationId
			,tj.CategorySectorId
From @tmpJobs tj