Question: Consider the relation, r, shown in Figure 5.22. Give the result of the following query: Figure 5.22 select building, room_number, time_slot_id, count(*) from r group

Consider the relation, r, shown in Figure 5.22. Give the result of the following query:

select building, room_number, time_slot_id, count(*) from r group by rollup (building, room_number,

Figure 5.22

time_slot_id)

select building, room_number, time_slot_id, count(*) from r group by rollup (building, room_number, time_slot_id)

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