ALTER TABLE COUNTRY_ORGANIZATION DROP CONSTRAINT FK_COUNTRY_ORGANIZATION_COUNTRY;
ALTER TABLE COUNTRY_ORGANIZATION DROP CONSTRAINT FK_COUNTRY_ORGANIZATION_ORGANIZATION;
ALTER TABLE COUNTRY DROP CONSTRAINT FK_COUNTRY_CONTINENT;
ALTER TABLE COUNTRY DROP CONSTRAINT FK_COUNTRY_CITY;
ALTER TABLE CITY DROP CONSTRAINT FK_CITY_COUNTRY;
ALTER TABLE COUNTRY_LANGUAGE DROP CONSTRAINT FK_COUNTRY_LANGUAGE_COUNTY;

DROP VIEW V_ORGANIZATION_SUMMARY;

DROP TABLE COUNTRY_ORGANIZATION;
DROP TABLE ORGANIZATION;
DROP TABLE COUNTRY_LANGUAGE;
DROP TABLE COUNTRY;
DROP TABLE CITY;
DROP TABLE CONTINENT;