ALTER TABLE smd__social_site 
	ADD userID int(11) unsigned;

ALTER TABLE smd__social_site 
	ADD CONSTRAINT FK_creatorUser
	FOREIGN KEY (userID) REFERENCES cms__user(userID);

ALTER TABLE smd__social_site 
	ADD createDate TIMESTAMP DEFAULT current_timestamp;

ALTER TABLE smd__social_site 
	ADD modifyDate TIMESTAMP NULL DEFAULT NULL;