ThinSQL
ThinSQL is a free applet-servlet utility that connects to an SQL server over the Internet. It's compatible with proxy servers and network firewalls because it uses HTTP as its main method of communication. ThinSQL can be used to add, remove, modify, and retrieve data. Features include: Works with any database accessible via JDBC, Works with any Java Servlet Server, Add, remove, modify, and retrieve data, Freeware (not ThinSQLpro), Thin client (<30k), No plugin, no client installation, No expensive application, No need of a RMI-supported browser, and Encoded data send to the server (Base64). The Web server in use must be servlet enabled; the database that is accessed must be JDBC compatible.