'Where' condition: 1. list the details about "smith" 2. list out the employees who are working in department 20. 3. list out the employees who are earning salary between 3000 and 4500. 4. list out the employees who are working in department 10 or 20. 5. find out the employees who are not working in department 10 or 30. 6. list out the employees whose name starts with 's'. 7. list out the employees whose name starts with 's' and ends with 'h'. 8. list out the employees whose name length is 4 and start with 's'. 9. list out employees who are working in department 10 and draw the salaries more than 3500. 10. list out the employees who are not receiving commission.