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CREATE TABLE DEPT
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(DEPTNO NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY,
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DNAME VARCHAR2(14) ,
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LOC VARCHAR2(13) ) ;
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CREATE TABLE EMP
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(EMPNO NUMBER(4) CONSTRAINT PK_EMP PRIMARY KEY,
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ENAME VARCHAR2(10),
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JOB VARCHAR2(9),
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MGR NUMBER(4),
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HIREDATE DATE,
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SAL NUMBER(7,2),
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COMM NUMBER(7,2),
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DEPTNO NUMBER(2) CONSTRAINT FK_DEPTNO REFERENCES DEPT);
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INSERT INTO DEPT VALUES
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(10,'ACCOUNTING','NEW YORK');
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INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');
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INSERT INTO DEPT VALUES
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(30,'SALES','CHICAGO');
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INSERT INTO DEPT VALUES
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(40,'OPERATIONS','BOSTON');
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INSERT INTO EMP VALUES
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(7369,'SMITH','CLERK',7902,to_date('17-12-1980','dd-mm-yyyy'),800,NULL,20);
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INSERT INTO EMP VALUES
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(7499,'ALLEN','SALESMAN',7698,to_date('20-02-1981','dd-mm-yyyy'),1600,300,30);
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INSERT INTO EMP VALUES
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(7521,'WARD','SALESMAN',7698,to_date('22-02-1981','dd-mm-yyyy'),1250,500,30);
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INSERT INTO EMP VALUES
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(7566,'JONES','MANAGER',7839,to_date('02-04-1981','dd-mm-yyyy'),2975,NULL,20);
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INSERT INTO EMP VALUES
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(7654,'MARTIN','SALESMAN',7698,to_date('28-9-1981','dd-mm-yyyy'),1250,1400,30);
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INSERT INTO EMP VALUES
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(7698,'BLAKE','MANAGER',7839,to_date('01-05-1981','dd-mm-yyyy'),2850,NULL,30);
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INSERT INTO EMP VALUES
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(7782,'CLARK','MANAGER',7839,to_date('09-06-1981','dd-mm-yyyy'),2450,NULL,10);
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INSERT INTO EMP VALUES
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(7788,'SCOTT','ANALYST',7566,to_date('13-06-1987','dd-mm-yyyy')-85,3000,NULL,20);
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INSERT INTO EMP VALUES
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(7839,'KING','PRESIDENT',NULL,to_date('17-11-1981','dd-mm-yyyy'),5000,NULL,10);
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INSERT INTO EMP VALUES
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(7844,'TURNER','SALESMAN',7698,to_date('08-09-1981','dd-mm-yyyy'),1500,0,30);
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INSERT INTO EMP VALUES
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(7876,'ADAMS','CLERK',7788,to_date('13-06-1987', 'dd-mm-yyyy')-51,1100,NULL,20);
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INSERT INTO EMP VALUES
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(7900,'JAMES','CLERK',7698,to_date('03-12-1981','dd-mm-yyyy'),950,NULL,30);
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INSERT INTO EMP VALUES
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(7902,'FORD','ANALYST',7566,to_date('03-12-1981','dd-mm-yyyy'),3000,NULL,20);
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INSERT INTO EMP VALUES
- (7934,'MILLER','CLERK',7782,to_date('23-1-1982','dd-mm-yyyy'),1300,NULL,10)