Rails 一对多映射
- 作者: 约德尔人郭小4
- 来源: 51数据库
- 2022-08-12
drop database Contact; create database Contact; use Contact; CREATE TABLE Employee ( id int unsigned not null auto_increment primary key, Name VARCHAR(50), Phone VARCHAR(15), departmentId int ); CREATE TABLE Department( id int unsigned not null auto_increment primary key, Name VARCHAR(50), Phone VARCHAR(15) );
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