xsd2pgschema
Relational database replication tool based on XML Schema
... database can be optimized at user's discretion. Moreover, differential update, and XPath query evaluation over PostgreSQL are possible.
PgSchema server, serialized relational data model server, can be used to speed up the analysis of complex XML Schema.
Large XML file can be split through xmlsplitter, a flexible XML splitter based on XPath and StAX.