SELECT RPAD(CONCAT(FirstName, CONCAT(' ', 
CONCAT(MiddleName, CONCAT(' ', LastName)))), 30) As "EmployeeName",
RPAD(SSN, 9) As "SSN", 
RPAD(Name, 22) As "CertificateName",
RPAD(CompletionDate, 15) As "CompleationDate"
FROM Employee, E_c, Certificate
WHERE Employee.ID = EmpID
      AND CertID = Certificate.ID;
