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

How old is each gender, on average Plot them as bar chart, I want to order by the Y in asc please.
SELECT gender, AVG(age) FROM Person GROUP BY gender ORDER BY AVG(age)
SELECT "gender", AVG("age") FROM "Person" GROUP BY "gender" ORDER BY AVG("age")