alter table EXECUTION_COURSE add COLUMN `PROBLEMS_HOURS` double NULL default '0';
alter table EXECUTION_COURSE add COLUMN `SEMINARY_HOURS` double NULL default '0';
alter table EXECUTION_COURSE add COLUMN `FIELD_WORK_HOURS` double NULL default '0';
alter table EXECUTION_COURSE add COLUMN `TRAINING_PERIOD_HOURS` double NULL default '0';
alter table EXECUTION_COURSE add COLUMN `TUTORIAL_ORIENTATION_HOURS` double NULL default '0';
