CREATE TABLE Person (name VARCHAR2, age NUMBER, city CLOB, gender CLOB, job CLOB)
CREATE TABLE PersonFriend (name VARCHAR2, friend VARCHAR2, year NUMBER)

Draw a bar chart for what is average age of male for different job title?, and sort in desc by the x axis.
SELECT job, AVG(age) FROM Person WHERE gender = 'male' GROUP BY job ORDER BY job DESC
SELECT "job", AVG("age") FROM "Person" WHERE "gender" = 'male' GROUP BY "job" ORDER BY "job" DESC