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| create table dept( id int auto_increment comment 'ID' primary key, name varchar(50) not null comment '部门名称' )comment '部门表';
INSERT INTO dept (id, name) VALUES (1, '研发部'), (2, '市场部'),(3, '财务部'), (4, '销售部'), (5, '总经办'), (6, '人事部'); create table emp( id int auto_increment comment 'ID' primary key, name varchar(50) not null comment '姓名', age int comment '年龄', job varchar(20) comment '职位', salary int comment '薪资', entrydate date comment '入职时间', managerid int comment '直属领导ID', dept_id int comment '部门ID' )comment '员工表'; alter table emp add constraint fk_emp_dept_id foreign key (dept_id) references dept(id);
INSERT INTO emp (id, name, age, job,salary, entrydate, managerid, dept_id) VALUES (1, '金庸', 66, '总裁',20000, '2000-01-01', null,5), (2, '张无忌', 20, '项目经理',12500, '2005-12-05', 1,1), (3, '杨逍', 33, '开发', 8400,'2000-11-03', 2,1), (4, '韦一笑', 48, '开发',11000, '2002-02-05', 2,1), (5, '常遇春', 43, '开发',10500, '2004-09-07', 3,1), (6, '小昭', 19, '程序员鼓励师',6600, '2004-10-12', 2,1), (7, '灭绝', 60, '财务总监',8500, '2002-09-12', 1,3), (8, '周芷若', 19, '会计',48000, '2006-06-02', 7,3), (9, '丁敏君', 23, '出纳',5250, '2009-05-13', 7,3), (10, '赵敏', 20, '市场部总监',12500, '2004-10-12', 1,2), (11, '鹿杖客', 56, '职员',3750, '2006-10-03', 10,2), (12, '鹤笔翁', 19, '职员',3750, '2007-05-09', 10,2), (13, '方东白', 19, '职员',5500, '2009-02-12', 10,2), (14, '张三丰', 88, '销售总监',14000, '2004-10-12', 1,4), (15, '俞莲舟', 38, '销售',4600, '2004-10-12', 14,4), (16, '宋远桥', 40, '销售',4600, '2004-10-12', 14,4), (17, '陈友谅', 42, null,2000, '2011-10-12', 1,null);
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