MySQL版emp员工信息表

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create table DEPT
(
    DEPTNO int(2) not null,
    DNAME varchar(14),
    LOC varchar(13)
);

alter table DEPT add constraint PK_DEPT primary key (DEPTNO);

create table EMP
(
    EMPNO int(4) not null,
    ENAME varchar(10),
    JOB varchar(9),
    MGR int(4),
    HIREDATE date,
    SAL int(7 ),
    COMM int(7 ),
    DEPTNO int(2)
);

alter table EMP add constraint PK_EMP primary key (EMPNO);
alter table EMP add constraint FK_DEPTNO foreign key (DEPTNO) references DEPT (DEPTNO);

insert into DEPT (DEPTNO, DNAME, LOC) values (10, 'ACCOUNTING', 'NEW YORK');
insert into DEPT (DEPTNO, DNAME, LOC) values (20, 'RESEARCH', 'DALLAS');
insert into DEPT (DEPTNO, DNAME, LOC) values (30, 'SALES', 'CHICAGO');
insert into DEPT (DEPTNO, DNAME, LOC) values (40, 'OPERATIONS', 'BOSTON');

insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO) values (7369, 'SMITH', 'CLERK', 7902, str_to_date('17-12-1980', '%d-%m-%Y'), 800,null,20);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7499, 'ALLEN', 'SALESMAN', 7698, str_to_date('20-02-1981', '%d-%m-%Y'),1600, 300, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7521, 'WARD', 'SALESMAN', 7698, str_to_date('22-02-1981', '%d-%m-%Y'),1250, 500, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7566, 'JONES', 'MANAGER', 7839, str_to_date('02-04-1981', '%d-%m-%Y'),2975, null, 20);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7654, 'MARTIN', 'SALESMAN', 7698, str_to_date('28-09-1981', '%d-%m-%Y'),1250, 1400, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7698, 'BLAKE', 'MANAGER', 7839, str_to_date('01-05-1981', '%d-%m-%Y'),2850, null, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7782, 'CLARK', 'MANAGER', 7839, str_to_date('09-06-1981', '%d-%m-%Y'),2450, null, 10);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7788, 'SCOTT', 'ANALYST', 7566, str_to_date('19-04-1987', '%d-%m-%Y'),3000,null, 20);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7839, 'KING', 'PRESIDENT', null, str_to_date('17-11-1981', '%d-%m-%Y'),5000,null, 10);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7844, 'TURNER', 'SALESMAN', 7698, str_to_date('08-09-1981', '%d-%m-%Y'),1500, 0, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7876, 'ADAMS', 'CLERK', 7788, str_to_date('23-05-1987', '%d-%m-%Y'),1100,null, 20);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7900, 'JAMES', 'CLERK', 7698, str_to_date('03-12-1981', '%d-%m-%Y'),950,null, 30);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7902, 'FORD', 'ANALYST', 7566, str_to_date('03-12-1981', '%d-%m-%Y'),3000,null, 20);
insert into EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)values (7934, 'MILLER', 'CLERK', 7782, str_to_date('23-01-1982', '%d-%m-%Y'),1300,null, 10);


create table salgrade (
    grade numeric primary key,
    losal numeric,
    hisal numeric
);

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);