Consigli su progetto di data/text mining

[MItaly]

... sarei curioso di sapere i miei dati.... beh, in realtà sarei curioso di vedere tutto

https://dl.dropboxusercontent.com/u/...013.sqlite.zip
Consiglio:

select 
username,
sum(length(content)) as totlength,
count(id) as postsnumber,
(sum(length(content))/count(id)) as meanlength
from posts group by username order by totlength desc