transfer database

I changed my domain are passed .com to .it
I changed my host from the past to hosting24 to pop.it
Now load the database pop.it and I see this:

Query SQL:

—
— Database: cubefunn_dbwordpress3
—
— ——————————————————–
—
— Struttura della tabella cubefunn_ak_twitter
—
— Creazione: Giu 06, 2012 alle 12:47
— Ultimo cambiamento: Giu 06, 2012 alle 12:51
—
CREATE TABLE IF NOT EXISTS cubefunn_ak_twitter (

id INT( 11 ) NOT NULL AUTO_INCREMENT ,
tw_id VARCHAR( 255 ) NOT NULL ,
tw_text VARCHAR( 255 ) NOT NULL ,
tw_reply_username VARCHAR( 255 ) DEFAULT NULL ,
tw_reply_tweet VARCHAR( 255 ) DEFAULT NULL ,
tw_created_at DATETIME NOT NULL ,
modified DATETIME NOT NULL ,
PRIMARY KEY ( id ) ,
UNIQUE KEY tw_id_unique ( tw_id )
) ENGINE = MYISAM DEFAULT CHARSET = utf8 AUTO_INCREMENT =21;

Messaggio di MySQL:

#1046 – No database selected

what do I do??????