CREATE TABLE TABLE_NAME (
    `empid_number`    int     (  11) NOT NULL auto_increment,   
    `employee`        varchar ( 100) NOT NULL               ,
    `manager_number`  int     (  11) NOT NULL               ,
     PRIMARY KEY  (`empid_number`),
     CONSTRAINT `manager_references_employee`
     FOREIGN KEY (`manager_number`) REFERENCES (`empid_number`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8

希望能帮助到你！