program first_clause (input,output);
    DATABASE PERS = FILENAME 'PERSONNEL';

    begin
    READY PERS;
    START_TRANSACTION READ_ONLY;

    FOR FIRST 50 E IN EMPLOYEES
       SORTED BY E.EMPLOYEE_ID
          writeln (E.EMPLOYEE_ID, ' ', E.LAST_NAME);
    END_FOR;

    COMMIT;
    FINISH;
    end.