摘要: 鸟哥:http://cn.linux.vbird.org/linux_basic linux中文网:http://c.biancheng.net/linux_tutorial 阅读全文
posted @ 2020-09-25 10:39 save、blue 阅读(123) 评论(0) 推荐(0)
摘要: create table classroom( building varchar(15), room_number varchar(7), capacity numeric(4,0), primary key (building, room_number) ); create table depar 阅读全文
posted @ 2019-11-07 17:54 save、blue 阅读(194) 评论(0) 推荐(0)