摘要: 离散查询select * from car where price=30 or price=40 or price=50 or price=60;select * from car where price in(30,40,50,60)取出数据select * from car where pric 阅读全文
posted @ 2017-08-14 22:04 WORSHIP亚萨 阅读(563) 评论(0) 推荐(0)