public EmployeeCollection FetchByQuery(Query qry)
        {
            EmployeeCollection coll = new EmployeeCollection();

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }
        public EmployeeCollection FetchAll()
        {
            EmployeeCollection coll = new EmployeeCollection();
            Query qry = new Query(Employee.Schema);

            coll.LoadAndCloseReader(qry.ExecuteReader());
            return(coll);
        }