So, you feeling OK about sending such a proposal to Google guys? They will forward to Apache people, so I will post proposal to derby-dev mailing list also for conversation in community

By the way - MySQL use special XML mode for client, where needed,, instead of normal XML formatting:

I see that like a big disadvantage because of inability of XML validation threw XMLSchema after retrieving on client there is something about XSLT, but that should not be a database feature, nor JDBC itself. It is pure client stuff (read: code, initiated database requests threw JDBC). John