Using 7.1
I came up with 3 queries that will get different information. The below assumes you are starting the Altiris Job via Workflow as this gives you access to the Exposed Altiris Task Run Instance GUID.
-- This gets the Job summary info
SELECT TaskName, StartTime, EndTime, Result, InstanceStatus, Success, TaskInstanceGuid, ParentTaskInstanceGuid
FROM Evt_Task_Instances
WHERE TaskInstanceGuid = @ExposedAltirisTaskGuid
-- This gets the Job instance summarie(s)
SELECT it.Name, eti.StartTime, eti.EndTime, eti.Result, eti.InstanceStatus, eti.Success, TaskInstanceGuid, ParentTaskInstanceGuid
FROM Evt_Task_Instances AS eti
INNER JOIN ItemVersions AS iv ON eti.TaskVersionGuid = iv.VersionGuid
INNER JOIN Item AS it ON iv.ItemGuid = it.Guid
WHERE eti.ParentTaskInstanceGuid = @ExposedAltirisTaskGuid
ORDER BY StartTime
-- And finally, this gets the individual job steps and their results from the Job instance.
SELECT it.Name, eti.StartTime, eti.EndTime, eti.Result, eti.InstanceStatus, eti.Success, TaskInstanceGuid, ParentTaskInstanceGuid
FROM Evt_Task_Instances AS eti
INNER JOIN ItemVersions AS iv ON eti.TaskVersionGuid = iv.VersionGuid
INNER JOIN Item AS it ON iv.ItemGuid = it.Guid
WHERE eti.ParentTaskInstanceGuid = (SELECT TaskInstanceGuid FROM Evt_Task_Instances WHERE ParentTaskInstanceGuid = @ExposedAltirisTaskGuid )
If your workflow applies Altiris jobs to multiple resources at once, you'll have to add the resourceguid to the where clause (eti._ResourceGuid in my example)