CREATE TABLE allergy_type (allergy CLOB, allergytype CLOB)
CREATE TABLE has_allergy (stuid NUMBER, allergy CLOB)
CREATE TABLE student (stuid NUMBER, lname CLOB, fname CLOB, age NUMBER, sex CLOB, major NUMBER, advisor NUMBER, city_code CLOB)

How many students are there for each major?
SELECT major, COUNT(*) FROM student GROUP BY major
SELECT "major", COUNT(*) FROM "student" GROUP BY "major"