Hi,

this will probably sound as silly question, but I will try it any way :)

Is there a way to make a O/R mapping class (or collection) which does not have any constraints or primary index (or any kind of index) on database table ?

Idea behind this is just dummy logging into database. Normally this log tables will not be queried or updated, there are just bulk of data for security or informational purpose.
I just want to get ride of constraints validation and sequence generation. If someone or some what want to retrieve this data, the access time is not an issue.

Any help will do

No need to constraints, but you need a primary key.