摘要: 需求: 表a(com_name,stock_code,com_sacle,mark,market_location,company_name) 表b(com_name,stock_code,com_sacle) 如果a.stock_code=b.stock_code 把b.com_name,b.co 阅读全文
posted @ 2018-05-08 15:50 Dozn 阅读(3463) 评论(0) 推荐(0)