ALTER TABLE VENDORS.T DROP CONSTRAINT UVCON_2; ALTER TABLE VENDORS.T DROP CONSTRAINT UVCON_3; ALTER TABLE RIDES.T DROP CONSTRAINT UVCON_2; ALTER TABLE ACTS.T DROP CONSTRAINT UVCON_3; DROP TABLE ENGAGEMENTS.T CASCADE; DROP TABLE CONCESSIONS.T CASCADE; DROP TABLE LOCATIONS.T CASCADE; DROP TABLE INVENTORY.T CASCADE; DROP TABLE PERSONNEL.T CASCADE; DROP TABLE RIDES.T CASCADE; DROP TABLE ACTS.T CASCADE; DROP TABLE EQUIPMENT.T CASCADE; DROP TABLE LIVESTOCK.T CASCADE; DROP TABLE VENDORS.T CASCADE;