Ranking joint positions in MySQL

Question

Below is what I have

  userid score 
    1       8    
    2       5    
    3       4    
    4       4    
    5      10    
    6       3  

Answer 1

Try this one -

SELECT
  *,
  @r:=IF(@score IS NULL OR @score <> score, @r+1, @r) position, @score:=score
FROM
  fschema.mytab3,
  (SELECT @r:=0, @score:=NULL) t
ORDER BY
  score DESC, userid