CREATE TABLE gas_station (Station_ID NUMBER, Open_Year NUMBER, Location CLOB, Manager_Name CLOB, Vice_Manager_Name CLOB, Representative_Name CLOB)
CREATE TABLE company (Company_ID NUMBER, Rank NUMBER, Company CLOB, Headquarters CLOB, Main_Industry CLOB, Sales_billion FLOAT, Profits_billion FLOAT, Assets_billion FLOAT, Market_Value FLOAT)
CREATE TABLE station_company (Station_ID NUMBER, Company_ID NUMBER, Rank_of_the_Year NUMBER)

Show all main industry and total market value in each industry, and order in ascending by the y axis.
SELECT Main_Industry, SUM(Market_Value) FROM company GROUP BY Main_Industry ORDER BY SUM(Market_Value)
SELECT "Main_Industry", SUM("Market_Value") FROM "company" GROUP BY "Main_Industry" ORDER BY SUM("Market_Value")