PUBLIC MARKS from holyver with tags xml & database

What CouchDB is * A document database server, accessible via a RESTful JSON API. * Ad-hoc and schema-free with a flat address space. * Distributed, featuring robust, incremental replication with bi-directional conflict detection and management. * Query-able and index-able, featuring a table oriented reporting engine that uses Javascript as a query language. What it is Not * A relational database. * A replacement for relational databases. * An object-oriented database. Or more specifically, meant to function as a seamless persistence layer for an OO programming language.