GIAIDOAN NVARCHAR(50) NOT NULL,MA_THANHPHAM NVARCHAR(50) NOT NULL,THANG FLOAT DEFAULT 0 NOT NULL,TEN_THANHPHAM NVARCHAR(255) DEFAULT '' NULL,TYLE FLOAT DEFAULT 0 NOT NULL,SL_TP FLOAT DEFAULT 0 NOT NULL,SL_TP_QD FLOAT DEFAULT 0 NOT NULL,GIATHANH FLOAT DEFAULT 0 NOT NULL,DANHDAU NVARCHAR(50) DEFAULT '' NULL,TRANGTHAI FLOAT DEFAULT 0 NULL PRIMARY KEY(THANG,MA_THANHPHAM,GIAIDOAN) 