-- @author tungs1
-- @modified 2013-07-28 12:00:00
-- @created 2013-07-28 12:00:00
-- @description groupingfunction groupingfunc23.sql
-- @db_name groupingfunction
-- @executemode normal
-- @tags groupingfunction
-- order 1
SELECT SUM(sale.pn) as g1 FROM product, sale WHERE product.pn=sale.pn GROUP BY ROLLUP((sale.pn,product.pname,sale.pn)) ORDER BY g1;
  g1  
------
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 4800
(9 rows)