CREATE TABLE vn.smartTag (
        code varchar(12) NOT NULL COLLATE utf8_general_ci,
        shelvingFk varchar(10) NULL,
        `level` int(11) NULL,
        ticketFk int(20),
        CONSTRAINT `PRIMARY` PRIMARY KEY (code),
        CONSTRAINT smartTag_FK FOREIGN KEY (shelvingFk) REFERENCES vn.shelving(code)
        )
        ENGINE=InnoDB
        DEFAULT CHARSET=utf8
        COLLATE=utf8_unicode_ci;

--ALTER TABLE vn.smartTag MODIFY COLUMN shelvingFk varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci DEFAULT NULL NULL;
--ALTER TABLE vn.smartTag ADD CONSTRAINT smartTag_FK FOREIGN KEY (shelvingFk) REFERENCES vn.shelving(code);