Admin moderates ALL comments (including post author)

Try this: Capability Manager http://wordpress.org/extend/plugins/capsman/ and also read (if you have’t already done so) the WordPress roles and capabilities docs: http://codex.wordpress.org/Roles_and_Capabilities

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