SET foreign_key_checks = 0; CREATE TABLE account_to_api_registry ( account_id int(11) NOT NULL, api_registry_id int(11) DEFAULT NULL, PRIMARY KEY (account_id), KEY account_to_api_registry_api_registry_api_registry_id_fk (api_registry_id), CONSTRAINT account_to_api_registry_account_account_id_fk FOREIGN KEY (account_id) REFERENCES account (account_id), CONSTRAINT account_to_api_registry_api_registry_api_registry_id_fk FOREIGN KEY (api_registry_id) REFERENCES api_registry (api_registry_id) ) engine = InnoDB; SET foreign_key_checks = 1;