SELECT * FROM TR_REQUEST_DOC WHERE REQ_CODE ='PUR/2020/00009672' SELECT * FROM TR_REQUEST_DOC_DT WHERE REQ_DOC_ID ='TRRDI001055579' update TR_REQUEST_DOC set req_reason =N'Bộ lưu điện cho CN Hàng Xanh' WHERE REQ_ID ='TRRDI001055579'