Cannot query the database.

select * from careers where ID=careers and status='enable'

Error:
Unknown column 'careers' in 'where clause'
Trace: (database.class.php:78)
(data.class.php:20)
(default.class.php:32)
(default.class.php:289)
(main.class.php:250)
(manager.class.php:23)
(document.class.php:189)
(document.class.php:68)
(index.php:13)