#include <stdio.h>
    DATABASE PERS = FILENAME "PERSONNEL";

    main()
    {
    READY PERS;
    START_TRANSACTION READ_WRITE;

    FOR E IN EMPLOYEES WITH E.EMPLOYEE_ID LE "00400"
       printf ("%s\n", E.EMPLOYEE_ID);
    END_FOR;

    COMMIT;
    FINISH;
    }