Array
(
    [0] => Array
        (
            [USERNAME] => SYS
        )

    [1] => Array
        (
            [USERNAME] => SYSTEM
        )

    [2] => Array
        (
            [USERNAME] => OUTLN
        )

    [3] => Array
        (
            [USERNAME] => MGMT_VIEW
        )

    [4] => Array
        (
            [USERNAME] => DBSNMP
        )

)