WordPress database error: [Access denied for user 'nyakem_bizblog'@'%' to database 'nyakem_bizblog']
UPDATE wp_options SET option_value = 'O:8:\"stdClass\":2:{s:12:\"last_checked\";i:1258952086;s:15:\"version_checked\";s:3:\"2.3\";}' WHERE option_name = 'update_core'

XML-RPC server accepts POST requests only.