Oracle Berkeley DB XML is an XML database with support for XQuery designed to store and index XML content for fast, scalable and predictable access. It is a C, C++ library that links into your application. Berkeley DB XML provides transactional access, automatic recovery, content compression, on-disk data encryption with AES, fail-over to a hot standby, and replication for high availability. Store, index and query key and value meta-data related to the XML documents as well. Berkeley DB XML provides fast, reliable and scalable persistence for applications that need to manage XML content.