"Database is empty"

ErreurRequête SQL:
--
-- Base de données: `information_schema`
--
CREATE DATABASE `information_schema` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;


MySQL a répondu:
#1044 - Access denied for user 'u188434732_nefer'@'localhost' to database 'information_schema'

ErreurRequête SQL:
--
-- Base de données: `secondeye_yjuu`
--
-- --------------------------------------------------------
--
-- Structure de la table `nf_sessions_history`
--
CREATE TABLE IF NOT EXISTS `nf_sessions_history` (
`id` INT( 10 ) UNSIGNED NOT NULL AUTO_INCREMENT ,
`session_id` VARCHAR( 32 ) DEFAULT NULL ,
`user_id` INT( 11 ) UNSIGNED NOT NULL ,
`ip_address` VARCHAR( 39 ) NOT NULL ,
`host_name` VARCHAR( 100 ) NOT NULL ,
`referer` VARCHAR( 100 ) NOT NULL ,
`user_agent` VARCHAR( 100 ) NOT NULL ,
`date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
PRIMARY KEY ( `id` ) ,
UNIQUE KEY `session_id` ( `session_id` , `user_id` , `ip_address` , `host_name` , `referer` , `user_agent` , `date` ) ,
KEY `user_id` ( `user_id` )
) ENGINE = INNODB DEFAULT CHARSET = utf8 AUTO_INCREMENT =63;


MySQL a répondu:
#1071 - Specified key was too long; max key length is 1000 bytes