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

What is minimum age for different job title, show in descending by the total number.
SELECT job, MIN(age) FROM Person GROUP BY job ORDER BY MIN(age) DESC
SELECT "job", MIN("age") FROM "Person" GROUP BY "job" ORDER BY MIN("age") DESC