THANG FLOAT DEFAULT 0 NOT NULL,MA_THANHPHAM NVARCHAR(50) NOT NULL,TEN_THANHPHAM NVARCHAR(250) DEFAULT '' NULL,DONVI NVARCHAR(50) DEFAULT '' NULL,TYLE FLOAT DEFAULT 0 NOT NULL,DANHDAU NVARCHAR(50) DEFAULT '' NULL,TRANGTHAI FLOAT DEFAULT 0 NULL PRIMARY KEY(THANG,MA_THANHPHAM) 