Delete documents

How can I delete all documents from database? I try selected all documents and Delete but in Database properties I saw documents which were not deleted.

Thanks in advance

Subject: Delete documents

Check author and reader fields / roles to make sure documents are not there that you can’t see.

Subject: RE: Delete documents

Thanks, but same problem doesnt exist in release 5 - when I selected and deleted all documents for example in log.nsf database I have not problem

In release 6.5 when I do same - many documents stay in database,I cant saw them,but database was not empty