The State of Native XML Databases I’ve recently been asked by several people to summarize the state of native XML databases for those interested in exploring this space. IMHO, native XML databases are now roughly where relational databases were circa 1994: solid, proven technology that gets the job done but only if you pay big bucks to do it. However, there’s some promising open source activity on the horizon. To be brief, there are roughly four (maybe five) choices to consider: * Mark Logic * eXist * DB2 9 * Berkeley DB XML