Create a view to include all employee information, but hide salary and commission.

Use case study databases for the following queries.

```
SQL> CREATE OR REPLACE VIEW EMP_VU
2 AS
3 SELECT EMPLOYEEID, LNAME, FNAME, POSITIONID, SUPERVISOR,
4 HIREDATE, DEPTID, QUALID
5 FROM EMPLOYEE;

VIEW CREATED.

SQL> SELECT * FROM EMP_VU;
```