摘要: 1、查找数据:select column_name,column_name from t_name[where clause] eg: select car_id, car_name from t_carinfo //查找全部信息 select car_id, car_name from t_car 阅读全文
posted @ 2016-10-18 09:25 王小霞 阅读(213) 评论(0) 推荐(0)