alter table lams_learning_activity
ADD COLUMN read_only TINYINT DEFAULT 0;

alter table lams_learning_design
ADD COLUMN edit_override_lock TINYINT DEFAULT 0
,ADD COLUMN edit_override_user_id BIGINT(20)
,ADD CONSTRAINT FK_lams_learning_design_7 FOREIGN KEY (edit_override_user_id)
  	                   REFERENCES lams_user (user_id);

alter table lams_lesson
ADD COLUMN locked_for_edit TINYINT DEFAULT 0
,ADD COLUMN version INTEGER DEFAULT 1;