Yurttas/PL/DBL/oracle/F/01/Company-A/q10.sql
1REM
2REM q10.sql
3REM
4REM List the names of department managers who have
5REM no dependents.
6REM
7
8SELECT fname, lname
9FROM Employee, Department
10WHERE mgrssn = ssn
11 AND ssn NOT IN (SELECT essn
12 FROM Dependent);