Astronomical Data Analysis Software and Systems VI ASP Conference Series, Vol. ... The Mitaka-Okayama-Kiso data Archival system second version (MOKA2) has b een released. In MOKA2 the interfaces b etween user and the database engine contain Graphical User Interface (GUI), the SQL generator and the Client/Server system are World Wide Web (WWW) based ones: HTML, cgi, and http d. This substantially improves its availability on the Internet and makes it easy to maintain the system. ... 1995). ...