How to write a MySQL Join query

Question

I\'ve two tables.

users: 
       uid | city     | username | flag |
       10  | New York | john     | 1    |
       14  | Tokyo    | kawasaki | 1    |
              


        

Answer 1

SELECT u.uid, u.city, u.username, u.flag 
FROM users u, groupmember g 
WHERE u.uid = g.uid 
  AND u.city = 'Tokyo' 
  AND g.groupid = 16;