Re: [xml-dev] Which is better (for medical data)?

> If your data is  mission-critical, then it represents a health and safety
issue or a
> "bet-your- business" proposition if it is lost or corrupted.

This article discusses mission-critical databases and security/privacy
requirements:
http://www.newarchitectmag.com/documents/s=5732/new1013637590/index.html

If you search with Google, you'll find 2200+ articles about "mission-critical
database". Some are about XML-enabled products such as Oracle, DB2 and SQL
Server. Others are about native XML products such as Tamino.