CREATE TABLE Visits_Restaurant (StuID INT, ResID INT, Time TIMESTAMPNTZ, Spent FLOAT)
CREATE TABLE Type_Of_Restaurant (ResID INT, ResTypeID INT)
CREATE TABLE Student (StuID INT, LName VARCHAR, Fname VARCHAR, Age INT, Sex VARCHAR, Major INT, Advisor INT, city_code VARCHAR)
CREATE TABLE Restaurant_Type (ResTypeID INT, ResTypeName VARCHAR, ResTypeDescription VARCHAR)
CREATE TABLE Restaurant (ResID INT, ResName VARCHAR, Address VARCHAR, Rating INT)

List how many students in each last name who majored in 600 using a bar chart, and show names from high to low order.
SELECT LName, COUNT(LName) FROM Student WHERE Major = 600 GROUP BY LName ORDER BY LName DESC
SELECT "LName", COUNT("LName") FROM "Student" WHERE "Major" = 600 GROUP BY "LName" ORDER BY "LName" DESC NULLS LAST