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

Return a bar chart on what is the total revenue of each manufacturer?, could you sort by the bars from high to low?
SELECT Name, SUM(Revenue) FROM Manufacturers GROUP BY Name ORDER BY Name DESC
SELECT "Name", SUM("Revenue") FROM "Manufacturers" GROUP BY "Name" ORDER BY "Name" DESC