摘要: DELETE tmp FROM tmp LEFT JOIN final_tbl ON tmp.id =final_tbl.id WHERE tmp.id = final_tbl.id update final_tbl, tmp set final_tbl.last_open_date=tmp.date where final_tbl.id=tmp.id; 阅读全文
posted @ 2013-04-27 09:30 qdqn 阅读(126) 评论(0) 推荐(0) 编辑