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);