Also Set User Privilage 

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,'OPERATION', 'BOSTON');


Now insert data in Emp Table:

And the result displayed in output window

Script:
INSERT INTO
emp VALUES (7839,'KING','PRESIDENT',NULL,'1981-11-17',5000,NULL,10);
INSERT INTO emp VALUES (7698,'BLAKE','MANAGER',7839,'1981-01-05',2850,NULL,30);
INSERT INTO emp VALUES (7782,'CLARK','MANAGER',7839,'1981-06-09',2450,NULL,10);
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 (7499,'ALLEN','SALESMAN',7698,'1981-02-20',1600,300,30);
INSERT INTO emp VALUES (7844,'TURNER','SALESMAN',7698,'1981-09-08',1500,0,30);
INSERT INTO emp VALUES (7900,'JAMES','CLERK',7698,'1981-06-09',950,NULL,30);
INSERT INTO emp VALUES (7521,'WARD','SALESMAN',7698,'1981-02-22',1250,500,30);
INSERT INTO emp VALUES (7902,'FORD','ANALYST',7566,'1981-12-03',3000,NULL,20);
INSERT INTO emp VALUES (7369,'SMITH','CLERK',7902,'1980-12-17',800,NULL,20);
INSERT INTO emp VALUES (7788,'SCOTT','ANALYST',7566,'1987-04-19',3000,NULL,20);
INSERT INTO emp VALUES (7876,'ADAMS','CLERK',7788,'1984-07-13',1100,NULL,20);
INSERT INTO emp VALUES (7934,'MILLER','CLERK',7782,'1982-01-23',1300,NULL,10);
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