INSERT INTO dept(deptno, dname, loc)
VALUES(10, 'HR', 'Warsaw');

INSERT INTO dept(deptno, dname, loc)
VALUES(20, 'IT', 'Katowice');

INSERT INTO dept(deptno, dname, loc)
VALUES(1, 'DEP1', 'LOC1');

INSERT INTO dept(deptno, dname, loc)
VALUES(2, 'DEP2', 'LOC2');

INSERT INTO dept(deptno, dname, loc)
VALUES(3, 'DEP3', 'LOC3');