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| DROP TABLE IF EXISTS emp; DROP TABLE IF EXISTS dept; DROP TABLE IF EXISTS job; DROP TABLE IF EXISTS salarygrade; -- 部门表 CREATE TABLE dept ( did INT PRIMARY KEY PRIMARY KEY, -- 部门id dname VARCHAR(50), -- 部门名称 loc VARCHAR(50) -- 部门所在地 ); -- 职务表,职务名称,职务描述 CREATE TABLE job ( id INT PRIMARY KEY, jname VARCHAR(20), description VARCHAR(50) ); -- 员工表 CREATE TABLE emp ( id INT PRIMARY KEY, -- 员工id ename VARCHAR(50), -- 员工姓名 job_id INT, -- 职务id mgr INT , -- 上级领导 joindate DATE, -- 入职日期 salary DECIMAL(7,2), -- 工资 bonus DECIMAL(7,2), -- 奖金 dept_id INT, -- 所在部门编号 CONSTRAINT emp_jobid_ref_job_id_fk FOREIGN KEY (job_id) REFERENCES job (id), CONSTRAINT emp_deptid_ref_dept_id_fk FOREIGN KEY (dept_id) REFERENCES dept (did) ); -- 工资等级表 CREATE TABLE salarygrade ( grade INT PRIMARY KEY, -- 级别 losalary INT, -- 最低工资 hisalary INT -- 最高工资 ); -- 添加4个部门 INSERT INTO dept(did,dname,loc) VALUES (10,'教研部','北京'), (20,'学工部','上海'), (30,'销售部','广州'), (40,'财务部','深圳'); -- 添加4个职务 INSERT INTO job (id, jname, description) VALUES (1, '董事长', '管理整个公司,接单'), (2, '经理', '管理部门员工'), (3, '销售员', '向客人推销产品'), (4, '文员', '使用办公软件'); -- 添加员工 INSERT INTO emp(id,ename,job_id,mgr,joindate,salary,bonus,dept_id) VALUES (1001,'孙悟空',4,1004,'2000-12-17','8000.00',NULL,20), (1002,'卢俊义',3,1006,'2001-02-20','16000.00','3000.00',30), (1003,'林冲',3,1006,'2001-02-22','12500.00','5000.00',30), (1004,'唐僧',2,1009,'2001-04-02','29750.00',NULL,20), (1005,'李逵',4,1006,'2001-09-28','12500.00','14000.00',30), (1006,'宋江',2,1009,'2001-05-01','28500.00',NULL,30), (1007,'刘备',2,1009,'2001-09-01','24500.00',NULL,10), (1008,'猪八戒',4,1004,'2007-04-19','30000.00',NULL,20), (1009,'罗贯中',1,NULL,'2001-11-17','50000.00',NULL,10), (1010,'吴用',3,1006,'2001-09-08','15000.00','0.00',30), (1011,'沙僧',4,1004,'2007-05-23','11000.00',NULL,20), (1012,'李逵',4,1006,'2001-12-03','9500.00',NULL,30), (1013,'小白龙',4,1004,'2001-12-03','30000.00',NULL,20), (1014,'关羽',4,1007,'2002-01-23','13000.00',NULL,10); -- 添加5个工资等级 INSERT INTO salarygrade(grade,losalary,hisalary) VALUES (1,7000,12000), (2,12010,14000), (3,14010,20000), (4,20010,30000), (5,30010,99990);
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