CREATE TABLE Manufacturers (Code INT, Name VARCHAR, Headquarter VARCHAR, Founder VARCHAR, Revenue FLOAT)
CREATE TABLE Products (Code INT, Name VARCHAR, Price DECIMAL, Manufacturer INT)

Find the total revenue for each manufacturer Plot them as bar chart, I want to list from low to high by the Y-axis.
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") NULLS FIRST