How can I query using a foreign key in MySQL?

Question

Right now I have a small database with two tables that look something like this:

    users table
    ====================
    id  name   status_id
    1   Bo         


        

Answer 1

You aren't JOINing here:

SELECT *
FROM Users U, Statuses S
WHERE S.id=U.status_ID
AND status_id = 2;

Answer 2

The easiest way would be through joins:

select *
from User u join Status s on u.status_id = s.id;

(if you dont want the status-id at all, you can specify the columns that you do want in the select-clause.)

Answer 3

Your users table does not have the value of approved in it. It is in your statuses table. When you request status_id you are going to get that value back from that query. You have to do a JOIN ON status_id to make this work out I think. Or do a second query.

Answer 4

SELECT u.*, s.*
FROM users u
    inner join statuses s on u.status_id = s.id
WHERE u.status_id = 2

Answer 5

What you need is this

SELECT *
FROM `users`
JOIN statuses ON statuses.id = users.status_id
WHERE `status_id` = 2";

and then you can refer to

$row['value'];