MySQL 学习 几张经典表格

CREATE TABLE dept(
　　deptno INT(2) NOT NULL,
　　dname VARCHAR(14),
　　loc VARCHAR(13),
　　CONSTRAINT pk_dept PRIMARY KEY(deptno)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

 

CREATE TABLE emp (
　　empno int(4) NOT NULL PRIMARY KEY,
　　ename VARCHAR(10),
　　job VARCHAR(9),
　　mgr int(4),
　　hiredate DATE,
　　sal float(7,2),
　　comm float(7,2),
　　deptno int(2),
　　CONSTRAINT fk_deptno FOREIGN KEY(deptno) REFERENCES dept(deptno)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

 

CREATE TABLE bonus(
　　ename VARCHAR(10),
　　job VARCHAR(9),
　　sal INT,
　　comm INT
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

 

CREATE TABLE salgrade (
　　grade int,
　　losal int,
　　hisal int
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

 

-----------插入数据
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,'1981-02-20',1600,300,30);
INSERT INTO emp VALUES (7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
INSERT INTO emp VALUES (7566,'JONES','MANAGER',7839,'1981-04-02',2975,NULL,20);
INSERT INTO emp VALUES (7654,'MARTIN','SALESMAN',7698,'1981-09-28',1250,1400,30);
INSERT INTO emp VALUES (7698,'BLAKE','MANAGER',7839,'1981-05-01',2850,NULL,30);
INSERT INTO emp VALUES (7782,'CLARK','MANAGER',7839,'1981-06-09',2450,NULL,10);
INSERT INTO emp VALUES (7788,'SCOTT','ANALYST',7566,'1987-07-13',3000,NULL,20);
INSERT INTO emp VALUES (7839,'KING','PRESIDENT',NULL,'1981-11-07',5000,NULL,10);
INSERT INTO emp VALUES (7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
INSERT INTO emp VALUES (7876,'ADAMS','CLERK',7788,'1987-07-13',1100,NULL,20);
INSERT INTO emp VALUES (7900,'JAMES','CLERK',7698,'1981-12-03',950,NULL,30);
INSERT INTO emp VALUES (7902,'FORD','ANALYST',7566,'1981-12-03',3000,NULL,20);
INSERT INTO emp VALUES (7934,'MILLER','CLERK',7782,'1982-01-23',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);