Sedna is a native full-featured XML database management system.
Sedna is a free native XML database which provides a full range of core database services - persistent storage, ACID transactions, security, indices, hot backup. Flexible XML processing facilities include W3C XQuery implementation, tight integration of XQuery with full-text search facilities and a node-level update language.
solidDB for MySQL is an open source relational database management system (RDBMS) that consists of MySQL Server and solidDB Storage Engine for MySQL.
Project has morphed into a fully pluggable storage engine for MySQL 5.5 and later.
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