ALTER TABLE _setup DROP COLUMN color_back;
ALTER TABLE _setup DROP COLUMN color_window;
ALTER TABLE _setup DROP COLUMN color_edit;
ALTER TABLE _setup DROP COLUMN color_navi;

ALTER TABLE mozgasnem ADD COLUMN hasznalatban integer;
ALTER TABLE mozgasnem ALTER COLUMN hasznalatban SET STORAGE PLAIN;

update mozgasnem
   set hasznalatban = 1
 where hasznalatban is null;