CREATE TABLE Manufacturers (Code NUMBER, Name VARCHAR2, Headquarter VARCHAR2, Founder VARCHAR2, Revenue FLOAT)
CREATE TABLE Products (Code NUMBER, Name VARCHAR2, Price NUMBER, Manufacturer NUMBER)

Bar graph to show sum revenue from different name, order by the y axis from low to high please.
SELECT Name, SUM(Revenue) FROM Manufacturers GROUP BY Name ORDER BY SUM(Revenue)
SELECT "Name", SUM("Revenue") FROM "Manufacturers" GROUP BY "Name" ORDER BY SUM("Revenue")