see #5110 Duplicate column name 'type'

main/install/migrate-db-1.8.5-1.8.6-pre.sql

@@ -223,7 +223,6 @@ INSERT INTO tool(name,link,image,visibility,admin,address,added_tool,target,cate
 ALTER TABLE quiz ADD feedback_type int NOT NULL default 0;
 ALTER TABLE quiz_answer ADD destination text NOT NULL;
 CREATE TABLE glossary(glossary_id int unsigned NOT NULL auto_increment, name varchar(255) NOT NULL, description text not null, display_order int, PRIMARY KEY  (glossary_id));
-ALTER TABLE glossary ADD display_order int;
 ALTER TABLE quiz_question ADD level int UNSIGNED NOT NULL default 0;
 ALTER TABLE survey_invitation ADD COLUMN session_id SMALLINT(5) UNSIGNED NOT NULL DEFAULT 0;
 ALTER TABLE quiz_answer   CHANGE ponderation ponderation float(6,2) NOT NULL DEFAULT 0;