Database Self Relationship | Insert Data "Karyawan"

INSERT INTO `karyawan` (`karyawan_id`, `karyawan_name`, `karyawan_password`, `karyawan_position`, `manager_id`) VALUES
(0, 'manager', '*********', 'manager', 0),
(1, 'Karyawan_1', '**********', 'karyawan', 0),
(2, 'Karyawan_2', '**********', 'karyawan', 1),
(3, 'Karyawan_3', '**********', 'karyawan', 1),
(4, 'Karyawan_4', '**********', 'karyawan', 2),
(5, 'Karyawan_5', '**********', 'karyawan', 2),
(6, 'Karyawan_6', '**********', 'karyawan', 1),
(7, 'Karyawan_7', '**********', 'karyawan', 2),
(8, 'Karyawan_8', '**********', 'karyawan', 3);