CREATE TABLE Participates_in (stuid NUMBER, actid NUMBER)
CREATE TABLE Faculty (FacID NUMBER, Lname VARCHAR2, Fname VARCHAR2, Rank VARCHAR2, Sex VARCHAR2, Phone NUMBER, Room VARCHAR2, Building VARCHAR2)
CREATE TABLE Activity (actid NUMBER, activity_name VARCHAR2)
CREATE TABLE Student (StuID NUMBER, LName VARCHAR2, Fname VARCHAR2, Age NUMBER, Sex VARCHAR2, Major NUMBER, Advisor NUMBER, city_code VARCHAR2)
CREATE TABLE Faculty_Participates_in (FacID NUMBER, actid NUMBER)

Show all the faculty ranks and the number of students advised by each rank Visualize by bar chart, and sort in desc by the the total number .
SELECT Rank, COUNT(*) FROM Faculty AS T1 JOIN Student AS T2 ON T1.FacID = T2.Advisor GROUP BY T1.Rank ORDER BY COUNT(*) DESC
SELECT "Rank", COUNT(*) FROM "Faculty" "T1" JOIN "Student" "T2" ON "T1"."FacID" = "T2"."Advisor" GROUP BY "T1"."Rank" ORDER BY COUNT(*) DESC