drop table bonus;
drop table salgrade;
drop table emp;
drop table dept;
CREATE TABLE dept(
  deptno NUMBER(2,0),
  dname  VARCHAR2(14),
  loc    VARCHAR2(13),
  CONSTRAINT pk_dept PRIMARY KEY (deptno)
);
CREATE TABLE emp(
  empno    NUMBER(4,0),
  ename    VARCHAR2(10),
  job      VARCHAR2(9),
  mgr      NUMBER(4,0),
  hiredate DATE,
  sal      NUMBER(7,2),
  comm     NUMBER(7,2),
  deptno   NUMBER(2,0),
  CONSTRAINT pk_emp PRIMARY KEY (empno),
  CONSTRAINT fk_deptno FOREIGN KEY (deptno) REFERENCES dept (deptno)
);
CREATE TABLE bonus(
  ename VARCHAR2(10),
  job   VARCHAR2(9),
  sal   NUMBER,
  comm  NUMBER
);
CREATE TABLE salgrade(
  grade NUMBER,
  losal NUMBER,
  hisal NUMBER
);
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(
 7839, 'KING', 'PRESIDENT', null,
 to_date('17-11-1981','dd-mm-yyyy'),
 5000, null, 10 );
INSERT INTO emp VALUES(
 7698, 'BLAKE', 'MANAGER', 7839,
 to_date('1-5-1981','dd-mm-yyyy'),
 2850, null, 30);
INSERT INTO emp VALUES(
 7782, 'CLARK', 'MANAGER', 7839,
 to_date('9-6-1981','dd-mm-yyyy'),
 2450, null, 10);
INSERT INTO emp VALUES(
 7566, 'JONES', 'MANAGER', 7839,
 to_date('2-4-1981','dd-mm-yyyy'),
 2975, null, 20);
INSERT INTO emp VALUES(
 7788, 'SCOTT', 'ANALYST', 7566,
 to_date('13-JUL-87','dd-mm-rr') - 85,
 3000, null, 20);
INSERT INTO emp VALUES(
 7902, 'FORD', 'ANALYST', 7566,
 to_date('3-12-1981','dd-mm-yyyy'),
 3000, null, 20 );
INSERT INTO emp VALUES(
 7369, 'SMITH', 'CLERK', 7902,
 to_date('17-12-1980','dd-mm-yyyy'),
 800, null, 20 );
INSERT INTO emp VALUES(
 7499, 'ALLEN', 'SALESMAN', 7698,
 to_date('20-2-1981','dd-mm-yyyy'),
 1600, 300, 30);
INSERT INTO emp VALUES(
 7521, 'WARD', 'SALESMAN', 7698,
 to_date('22-2-1981','dd-mm-yyyy'),
 1250, 500, 30 );
INSERT INTO emp VALUES(
 7654, 'MARTIN', 'SALESMAN', 7698,
 to_date('28-9-1981','dd-mm-yyyy'),
 1250, 1400, 30 );
INSERT INTO emp VALUES(
 7844, 'TURNER', 'SALESMAN', 7698,
 to_date('8-9-1981','dd-mm-yyyy'),
 1500, 0, 30);
INSERT INTO emp VALUES(
 7876, 'ADAMS', 'CLERK', 7788,
 to_date('13-JUL-87', 'dd-mm-rr') - 51,
 1100, null, 20 );
INSERT INTO emp VALUES(
 7900, 'JAMES', 'CLERK', 7698,
 to_date('3-12-1981','dd-mm-yyyy'),
 950, null, 30 );
INSERT INTO emp VALUES(
 7934, 'MILLER', 'CLERK', 7782,
 to_date('23-1-1982','dd-mm-yyyy'),
 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);
commit;