with rollup with cube

Create table Inventory(Item char(10),spec char(10),sprice decimal)

insert into Inventory values ('DVD','步步高',2000)
insert into Inventory values ('PC','LG',3000)
insert into Inventory values ('PC','TCL',2000)
insert into Inventory values ('PC','三星',2000)

--ROLLUP是按照group by后的字段依次汇总，
--cube是对GROUP BY 后的所有列都汇总

SELECT Item, spec,sum(sprice)
from Inventory
group by Item,spec
with rollup


SELECT Item, spec,sum(sprice)
from Inventory
group by Item,spec
with cube