MySQL29--案例表

案例表:

将下列代码在数据库中批量执行

#员工表
DROP TABLE IF EXISTS EMP;
CREATE TABLE EMP(
EMPNO INT(4) PRIMARY KEY, 
ENAME VARCHAR(20) NOT NULL,
JOB VARCHAR(20),
MGR INT(4),
hiredate DATE,
SAL DOUBLE(7,2),
COMM INT(4),
DEPTNO INT(4)
);

#部门表
DROP TABLE IF EXISTS DEPT;
CREATE TABLE DEPT(
DEPTNO INT(4) PRIMARY KEY, 
DNAME VARCHAR(20) NOT NULL UNIQUE,
LOC VARCHAR(20)
);

#学生表
DROP TABLE IF EXISTS STUDENT;
CREATE TABLE STUDENT(
SID  INT(4)  PRIMARY KEY,  
SNAME  VARCHAR(20),       
SEX  CHAR(3),                                 
score DOUBLE(4,1),
address  VARCHAR(50), 
SCLASS VARCHAR(20)
);

#工资等级表
DROP TABLE IF EXISTS SALGRADE;
CREATE TABLE SALGRADE(
GRADE INT, #工资等级
LOSAL DOUBLE, #最低工资
HISAL DOUBLE  #最高工资
);
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 (5,3001,5000);
INSERT INTO SALGRADE VALUES (6,5001,7000);
SELECT * FROM SALGRADE;

INSERT INTO STUDENT VALUES (1001,'唐家三少','男',65,'杭州','1年1班');
INSERT INTO STUDENT VALUES (1002,'TOMS','男',90,'北京','1年1班');
INSERT INTO STUDENT VALUES (1003,'天蚕土豆丝','男',77,'成都','1年2班');
INSERT INTO STUDENT VALUES (1004,'我吃西红柿','男',88.5,'重庆','1年2班');
INSERT INTO STUDENT VALUES (1005,'JACK','男',75,'杭州','1年3班');
INSERT INTO STUDENT VALUES (1006,'烽火戏诸侯','男',82.5,'广州','1年1班');
INSERT INTO STUDENT VALUES (1007,'ROSE','女',100,'浙江','2年1班');
INSERT INTO STUDENT VALUES (1008,'LUCY','女',99,'江西','2年1班');
INSERT INTO STUDENT VALUES (1009,'孙悟空','男',65,'天津','2年2班');
INSERT INTO STUDENT VALUES (1010,'沙僧','男',70.5,'天津','1年3班');
INSERT INTO STUDENT VALUES (1011,'猪八里','女',90.5,'新疆','2年2班');
INSERT INTO STUDENT VALUES (1012,'JAMES','男',67,'湖北','2年2班');
INSERT INTO STUDENT VALUES (1013,'JACK','女',78,'内蒙古','2年1班');  
INSERT INTO STUDENT VALUES (1014,'孙多多','女',90,'上海','2年3班'); 
INSERT INTO STUDENT VALUES (1015,'孙权','男',80,'河北','1年3班'); 
SELECT * FROM STUDENT;

INSERT INTO DEPT VALUES (10,'ACCOUNTING','HEBEI');
INSERT INTO DEPT VALUES (20,'RESEARCH','HANGZHOU');
INSERT INTO DEPT VALUES (30,'SALES','CHENGDU');
INSERT INTO DEPT VALUES (40,'OPERATION','CHONGQING');
INSERT INTO DEPT VALUES (50,'TESTING','BEIJING');
INSERT INTO DEPT VALUES (60,'DEVELOP','SHANGHAI');
INSERT INTO DEPT VALUES (70,'ROBOT','GUANGZHOU');
SELECT * FROM DEPT;

INSERT INTO EMP VALUES(7210,'TIANNI','CLERK',7902,'1980-4-20',500,100,60);
INSERT INTO EMP VALUES(7369,'SMITH','CLERK',7902,'1980-12-17',800,1000,20);
INSERT INTO EMP VALUES(7499,'ALLEN','SALESMAN',7698,'1981-2-20',1600,300,30);
INSERT INTO EMP VALUES(7521,'WARD','SALESMAN',7698,'1982-2-22',1250,500,30);
INSERT INTO EMP VALUES(7566,'JONES','MANAGER',7839,'1980-4-2',3500,NULL,20);
INSERT INTO EMP VALUES(7654,'MARTIN','SALESMAN',7698,'1981-9-28',1250,1400,30);
INSERT INTO EMP VALUES(7698,'BLAKE','MANAGER',7839,'1983-5-1',2850,800,30);
INSERT INTO EMP VALUES(7782,'CLARK','MANAGER',7839,'1981-9-6',4450,200,10);
INSERT INTO EMP VALUES(7839,'KING','PRESIDENT',NULL,'1983-5-20',5000,NULL,10);
INSERT INTO EMP VALUES(7844,'TURNER','SALESMAN',7698,'1981-6-10',1500,0,30);
INSERT INTO EMP VALUES(7900,'JAMES','CLERK',7698,'1981-12-3',950,500,30);
INSERT INTO EMP VALUES(7902,'FORD','ANALYST',7566,'1981-12-3',3000,2000,20);
INSERT INTO EMP VALUES(7934,'MILLER','CLERK',7782,'1982-11-23',1300,NULL,10);
INSERT INTO EMP VALUES(7945,'MITTER','CLERK',7782,'1983-6-23',1500,NULL,40);
INSERT INTO EMP VALUES(7950,'CONTER','MANAGER',7839,'1983-2-1',3500,300,90);
SELECT * FROM EMP;