Usunąć czy przywrócić? To pierwsze to chyba wiesz. A drugie to:
CREATE TABLE sessions (
id varchar(60) NOT NULL default '0',
member_name varchar(255) default NULL,
seo_name varchar(255) NOT NULL default '',
member_id mediumint(8) NOT NULL default 0,
ip_address varchar(46) default NULL,
browser varchar(200) NOT NULL default '',
running_time int(10) default NULL,
login_type tinyint(1) default 0,
member_group smallint(3) default NULL,
in_error tinyint(1) NOT NULL default 0,
location_1_type varchar(255) NOT NULL default '',
location_1_id int(10) NOT NULL default 0,
location_2_type varchar(255) NOT NULL default '',
location_2_id int(10) NOT NULL default 0,
location_3_type varchar(255) NOT NULL default '',
location_3_id int(10) NOT NULL default 0,
current_appcomponent varchar(100) NOT NULL default '',
current_module varchar(100) NOT NULL default '',
current_section varchar(100) NOT NULL default '',
uagent_key varchar(200) NOT NULL default '',
uagent_version varchar(100) NOT NULL default '',
uagent_type varchar(200) NOT NULL default '',
uagent_bypass int(1) NOT NULL default 0,
search_thread_id int(11) NOT NULL default 0,
search_thread_time int NOT NULL default 0,
session_msg_id INT(10) NOT NULL DEFAULT 0,
PRIMARY KEY (id),
KEY location1 (location_1_type,location_1_id),
KEY location2 (location_2_type,location_2_id),
KEY location3 (location_3_type,location_3_id),
KEY running_time (running_time),
KEY member_id (member_id)
);