{ id: 1, name: 'John', fav: 154},
{ id: 2, name: 'Peter', fav: 154},
{ id: 3, name: 'Amy', fav: 155},
{ id: 4, name: 'Hannah', fav:},
{ id: 5, name: 'Michael', fav:}

{ id: 154, name: 'Chocolate Heaven' },
{ id: 155, name: 'Tasty Lemons' },
{ id: 156, name: 'Vanilla Dreams' }

import mysql.connector
mydb = mysql.connector.connect(
  host="localhost",
  user="root",
  passwd="",
  database="myept"
)
mycursor = mydb.cursor()
sql = "SELECT \
  users.name AS user, \
  products.name AS favorite \
  FROM users \
  INNER JOIN products ON users.fav = products.id"
mycursor.execute(sql)
myresult = mycursor.fetchall()
for x in myresult:
  print(x)

C:\Users\My Name>python demo_mysql_inner_join.py
('John', 'Chocolate Heaven')
('Peter', 'Chocolate Heaven')
('Amy', 'Tasty Lemon')

import mysql.connector
mydb = mysql.connector.connect(
  host="localhost",
  user="myusername",
  passwd="mypassword",
  database="mydatabase"
)
mycursor = mydb.cursor()
sql = "SELECT \
  users.name AS user, \
  products.name AS favorite \
  FROM users \
  LEFT JOIN products ON users.fav = products.id"
mycursor.execute(sql)
myresult = mycursor.fetchall()
for x in myresult:
  print(x)

C:\Users\My Name>python demo_mysql_left_join.py
('John', 'Chocolate Heaven')
('Peter', 'Chocolate Heaven')
('Amy', 'Tasty Lemon')
('Hannah', None)
('Michael', None)

import mysql.connector
mydb = mysql.connector.connect(
  host="localhost",
  user="myusername",
  passwd="mypassword",
  database="mydatabase"
)
mycursor = mydb.cursor()
sql = "SELECT \
  users.name AS user, \
  products.name AS favorite \
  FROM users \
  RIGHT JOIN products ON users.fav = products.id"
mycursor.execute(sql)
myresult = mycursor.fetchall()
for x in myresult:
  print(x)

C:\Users\My Name>python demo_mysql_right_join.py
('John', 'Chocolate Heaven')
('Peter', 'Chocolate Heaven')
('Amy', 'Tasty Lemon')
(None, 'Vanilla Dreams')