VTD-XML is the next generation XML parser/indexer/editor/slicer/assembler/xpath-engine that goes beyond DOM, SAX and PULL in performance, memory usage, and ease of use.
A local databaseengine with a simple query interface.
One process, multithread safe and very very stable (thought to survive to sudden Blackouts).
Optimal query engine (MySQLDriverCS-like easy tools).
No MDAC or ODBC support needed.