Resource comments.
ref,int(11),
ref_parent,int(11),Parent comment reference
created,timestamp,
hide,int(1),(boolean) Hide comment?
collection_ref,int(11),
resource_ref,int(11),
user_ref,int(11),
fullname,varchar(100),External commenter's full name (anonymous access)
email,varchar(100),Commenter's email (anonymous access)
website_url,text,Commenter's website link (anonymous access)
body,text,Comment text