表结构
create table dept(
-- 部门编号
deptno int unsigned auto_increment primary key,
-- 部门名称
dname varchar(15) ,
-- 部门所在位置
loc varchar(50)
)engine = InnoDB;
create table emp(
-- 雇员编号
empno int unsigned auto_increment primary key,
-- 雇员姓名
ename varchar(15) ,
-- 雇员职位
job varchar(10) ,
-- 雇员对应的领导的编号
mgr int unsigned ,
-- 雇员的雇佣日期
hiredate date ,
-- 雇员的基本工资
sal decimal(7,2) ,
-- 奖金
comm decimal(7,2) ,
-- 所在部门
deptno int unsigned ,
foreign key(deptno) references dept(deptno)
)engine = innodb;
create table salgrade(
-- 工资等级
grade int unsigned ,
-- 此等级的最低工资
losal int unsigned ,
-- 此等级的最高工资
hisal int unsigned
)engine=innodb;
create table bonus(
-- 雇员姓名
ename varchar(10),
-- 雇员职位
job varchar(9),
-- 雇员工资
sal decimal(7,2),
-- 雇员资金
comm decimal(7,2)
)engine=innodb;
INSERT INTO dept VALUES (10,'ACCOUNTING','NEW YORK');
INSERT INTO dept VALUES (20,'RESEARCH','DALLAS');
INSERT INTO dept VALUES (30,'SALES','CHICAGO');
INSERT INTO dept VALUES (40,'OPERATIONS','BOSTON');
INSERT INTO emp VALUES (7369,'SMITH','CLERK',7902,'1980-12-17',800,NULL,20);
INSERT INTO emp VALUES (7499,'ALLEN','SALESMAN',7698,'1981-2-20',1600,300,30);
INSERT INTO emp VALUES (7521,'WARD','SALESMAN',7698,'1981-2-22',1250,500,30);
INSERT INTO emp VALUES (7566,'JONES','MANAGER',7839,'1981-4-2',2975,NULL,20);
INSERT INTO emp VALUES (7654,'MARTIN','SALESMAN',7698,'1981-9-28',1250,1400,30);
INSERT INTO emp VALUES (7698,'BLAKE','MANAGER',7839,'1981-5-1',2850,NULL,30);
INSERT INTO emp VALUES (7782,'CLARK','MANAGER',7839,'1981-6-9',2450,NULL,10);
INSERT INTO emp VALUES (7788,'SCOTT','ANALYST',7566,'87-7-13',3000,NULL,20);
INSERT INTO emp VALUES (7839,'KING','PRESIDENT',NULL,'1981-11-17',5000,NULL,10);
INSERT INTO emp VALUES (7844,'TURNER','SALESMAN',7698,'1981-9-8',1500,0,30);
INSERT INTO emp VALUES (7876,'ADAMS','CLERK',7788,'87-7-13',1100,NULL,20);
INSERT INTO emp VALUES (7900,'JAMES','CLERK',7698,'1981-12-3',950,NULL,30);
INSERT INTO emp VALUES (7902,'FORD','ANALYST',7566,'1981-12-3',3000,NULL,20);
INSERT INTO emp VALUES (7934,'MILLER','CLERK',7782,'1982-1-23',1300,NULL,10);
INSERT INTO salgrade VALUES (1,700,1200);
INSERT INTO salgrade VALUES (2,1201,1400);
INSERT INTO salgrade VALUES (3,1401,2000);
INSERT INTO salgrade VALUES (4,2001,3000);
INSERT INTO salgrade VALUES (5,3001,9999);