diff --git a/main/install/migrate-db-1.6.x-1.8.0-pre.sql b/main/install/migrate-db-1.6.x-1.8.0-pre.sql
index 16cb7498e5..4af7277a75 100644
--- a/main/install/migrate-db-1.6.x-1.8.0-pre.sql
+++ b/main/install/migrate-db-1.6.x-1.8.0-pre.sql
@@ -170,11 +170,11 @@ ALTER TABLE user_course_category ADD `sort` int;
 
 -- xxCOURSExx
 -- trying to keep the same order in tables declaration as in add_course.lib.inc.php
-CREATE TABLE survey ( survey_id int unsigned NOT NULL auto_increment, code varchar(20) default NULL, title varchar(80) default NULL, subtitle varchar(80) default NULL, author varchar(20) default NULL, lang varchar(20) default NULL, avail_from date default NULL, avail_till date default NULL, is_shared char(1) default '1', template varchar(20) default NULL, intro text, surveythanks text, creation_date datetime NOT NULL default '0000-00-00 00:00:00', invited int NOT NULL, answered int NOT NULL, invite_mail text NOT NULL, reminder_mail text NOT NULL, PRIMARY KEY  (survey_id));
-CREATE TABLE survey_invitation (survey_invitation_id int unsigned NOT NULL auto_increment, survey_id int unsigned NOT NULL, user varchar(250) NOT NULL, invitation_code varchar(250) NOT NULL, invitation_date datetime NOT NULL, reminder_date datetime NOT NULL, PRIMARY KEY  (survey_invitation_id));
-CREATE TABLE survey_question ( question_id int unsigned NOT NULL auto_increment, survey_id int unsigned NOT NULL, survey_question text NOT NULL, survey_question_comment text NOT NULL, type varchar(250) NOT NULL, display varchar(10) NOT NULL, sort int NOT NULL, PRIMARY KEY  (question_id) );
+CREATE TABLE survey ( survey_id int unsigned NOT NULL auto_increment, code varchar(20) default NULL, title text default NULL, subtitle text default NULL, author varchar(20) default NULL, lang varchar(20) default NULL, avail_from date default NULL, avail_till date default NULL, is_shared char(1) default '1', template varchar(20) default NULL, intro text, surveythanks text, creation_date datetime NOT NULL default '0000-00-00 00:00:00', invited int NOT NULL, answered int NOT NULL, invite_mail text NOT NULL, reminder_mail text NOT NULL, PRIMARY KEY  (survey_id));
+CREATE TABLE survey_invitation (survey_invitation_id int unsigned NOT NULL auto_increment, survey_code varchar(20) NOT NULL, user varchar(250) NOT NULL, invitation_code varchar(250) NOT NULL, invitation_date datetime NOT NULL, reminder_date datetime NOT NULL, PRIMARY KEY  (survey_invitation_id));
+CREATE TABLE survey_question ( question_id int unsigned NOT NULL auto_increment, survey_id int unsigned NOT NULL, survey_question text NOT NULL, survey_question_comment text NOT NULL, type varchar(250) NOT NULL, display varchar(10) NOT NULL, sort int NOT NULL, shared_question_id int, max_value int, PRIMARY KEY  (question_id) );
 CREATE TABLE survey_question_option ( question_option_id int unsigned NOT NULL auto_increment, question_id int unsigned NOT NULL, survey_id int unsigned NOT NULL, option_text text NOT NULL, sort int NOT NULL, PRIMARY KEY  (question_option_id) );
-CREATE TABLE survey_anwser (answer_id unsigned int NOT NULL auto_increment, survey_id int unsigned NOT NULL, question_id int NOT NULL, option_id int NOT NULL, user varchar(250) NOT NULL, PRIMARY KEY  (answer_id) );
+CREATE TABLE survey_anwser (answer_id unsigned int NOT NULL auto_increment, survey_id int unsigned NOT NULL, question_id int NOT NULL, option_id int NOT NULL, value int unsigned not null, user varchar(250) NOT NULL, PRIMARY KEY  (answer_id) );
 
 ALTER TABLE announcement CHANGE content content mediumtext;
 ALTER TABLE announcement ADD email_sent tinyint default 0;