摘要: (1)简单查询select * from Infoselect Code as '代号',Name as '姓名' from Info (2)条件查询select * from Car where Code='c002'select * from Car where Brand='b001' and 阅读全文
posted @ 2016-05-26 19:25 哔哩哔哩干杯 阅读(182) 评论(0) 推荐(0)