ALTER TABLE TASK ADD (
  MENU_ITEM_ID VARCHAR2(2000) DEFAULT NULL NULL, 
  PRODUCT_VERSION_ID NUMBER(10) DEFAULT NULL NULL
)
/
ALTER TABLE TASK ADD CONSTRAINT TASK_PRODUCT_VERSION_FK FOREIGN KEY (PRODUCT_VERSION_ID) REFERENCES PRODUCT_VERSION (ID)
/
ALTER TABLE APPROPRIATION ADD (
  PROJECT_ID NUMBER(10) DEFAULT NULL NULL
)
/
ALTER TABLE APPROPRIATION ADD CONSTRAINT APPROPRIAT_PROJECT_FK FOREIGN KEY (PROJECT_ID) REFERENCES PROJECT (ID)