Database Self Relationship | Create Table "Karyawan"

CREATE TABLE `karyawan` (
  `karyawan_id` INT(5) NOT NULL PRIMARY KEY,
  `karyawan_name` VARCHAR(255) NOT NULL,
  `karyawan_password` VARCHAR(255) NOT NULL,
  `karyawan_position` enum('karyawan','manager') NOT NULL,
  `manager_id` INT(5) NOT NULL
);