Is there a way to have a dual WP feed (full/partial)?

You can have as many feeds as you want, you basically create a valid feed in a custom template file using native WordPress functions. You can then restrict this feed by IP, username or role ( it’s not clear on how you’re doing this).

http://codex.wordpress.org/Customizing_Feeds

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)