-- echo Building Oracle demonstration tables.  Please wait.
DROP TABLE EMP;
DROP TABLE DEPT;
DROP TABLE SALGRADE;


CREATE TABLE DEPT (
 DEPTNO              NUMBER(2) NOT NULL,
 DNAME               CHAR(14),
 LOC                 CHAR(13),
 CONSTRAINT DEPT_PRIMARY_KEY PRIMARY KEY (DEPTNO));

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');

CREATE TABLE EMP (
 EMPNO               NUMBER(4) NOT NULL,
 ENAME               CHAR(10),
 JOB                 CHAR(9),
 MGR                 NUMBER(4) CONSTRAINT EMP_SELF_KEY REFERENCES EMP (EMPNO),
 HIREDATE            DATE,
 SAL                 NUMBER(7,2),
 COMM                NUMBER(7,2),
 DEPTNO              NUMBER(2) NOT NULL,
 CONSTRAINT EMP_FOREIGN_KEY FOREIGN KEY (DEPTNO) REFERENCES DEPT (DEPTNO),
 CONSTRAINT EMP_PRIMARY_KEY PRIMARY KEY (EMPNO));

INSERT INTO EMP VALUES (7839,'KING','PRESIDENT',NULL,TO_DATE('17-11-81','DD-MM-YY'), 5000,NULL,10);
INSERT INTO EMP VALUES (7698,'BLAKE','MANAGER',7839,TO_DATE('1-05-81','DD-MM-YY'), 2850,NULL,30);
INSERT INTO EMP VALUES (7782,'CLARK','MANAGER',7839,TO_DATE('9-06-81','DD-MM-YY'), 2450,NULL,10);
INSERT INTO EMP VALUES (7566,'JONES','MANAGER',7839,TO_DATE('2-04-81','DD-MM-YY'), 2975,NULL,20);
INSERT INTO EMP VALUES (7654,'MARTIN','SALESMAN',7698,TO_DATE('28-10-81','DD-MM-YY'), 1250,1400,30);
INSERT INTO EMP VALUES (7499,'ALLEN','SALESMAN',7698,TO_DATE('20-02-81','DD-MM-YY'), 1600,300,30);
INSERT INTO EMP VALUES (7844,'TURNER','SALESMAN',7698,TO_DATE('8-10-81','DD-MM-YY'), 1500,0,30);
INSERT INTO EMP VALUES (7900,'JAMES','CLERK',7698,TO_DATE('3-12-81','DD-MM-YY') ,950,NULL,30);
INSERT INTO EMP VALUES (7521,'WARD','SALESMAN',7698,TO_DATE('22-02-81','DD-MM-YY'), 1250,500,30);
INSERT INTO EMP VALUES (7902,'FORD','ANALYST',7566,TO_DATE('3-12-81','DD-MM-YY'), 3000,NULL,20);
INSERT INTO EMP VALUES (7369,'SMITH','CLERK',7902,TO_DATE('17-12-80','DD-MM-YY'), 800,NULL,20);
INSERT INTO EMP VALUES (7788,'SCOTT','ANALYST',7566,TO_DATE('09-12-82','DD-MM-YY'), 3000,NULL,20);
INSERT INTO EMP VALUES (7876,'ADAMS','CLERK',7788,TO_DATE('12-01-83','DD-MM-YY'), 1100,NULL,20);
INSERT INTO EMP VALUES (7934,'MILLER','CLERK',7782,TO_DATE('23-01-82','DD-MM-YY'), 1300,NULL,10);


CREATE TABLE SALGRADE (
 GRADE               NUMBER,
 LOSAL               NUMBER,
 HISAL               NUMBER);

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);