SQL Vyberte, aby se hodnota zobrazila pouze jednou

Nefungovalo by to jen tak

select distinct username, tweet, date order by date desc

(Toto je syntaxe MSSQL)

S novými daty v ruce:

SELECT DISTINCT tweets.username, content, date from tweets 
WHERE user_id IN (
  SELECT users.id FROM users 
  INNER JOIN user_users ON users.id = user_users.followed_user_id 
WHERE user_users.user_id = 1) 
ORDER BY date desc