摘要: 建立三张表:部门(Department)、职级([Rank])、员工(People) 部门:部门标号作为主键 create database Department use Department create table Department ( DepartmenID int primary key 阅读全文
posted @ 2021-07-02 11:30 理工—王栋轩 阅读(250) 评论(0) 推荐(0) 编辑