※This sample exam is different from those that appear in the actual OSS-DB Exam.
The homepage of the Japan PostgreSQL User Group is located at www.postgresql.jp.
The Japan PostgreSQL User Group is an NPO that is active for the promotion of PostgreSQL.
We operate a mailing list (ML) for information exchange, and anyone can register.
All contributions to ML are archived and published, so you can refer to past postings to ML without registering.
Translation of the manual is carried out by the document/book related subcommittee of the user group.
For members participating in user meetings, some employees of PostgreSQL's paid support companies and developers are working on PostgreSQL bug fixes and new features development, but both paid support and bug fixes are not an activity of the user group.
Therefore the correct answers are C and D.
There is various information about PostgreSQL at the user's site, including Japanese manuals, so we encourage you to refer it.