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摘要: 查询前请创建对应的数据库和表: create databases `library`; use library; create table book( bno char(20) not null primary key, bname varchar(50), author varchar(50), 阅读全文
posted @ 2022-11-12 20:53 浪兮一 阅读(5213) 评论(0) 推荐(0)