PrimeBase XT (PBXT) is a transactional storage
engine for MySQL. It uses a unique "write-once"
update strategy and MVCC (multi-version
concurrency control) to provide optimal
performance over a wide range of tasks.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The major feature of this new version is foreign
key support. The implementation is similar to that
of InnoDB and includes the RESTRICT, CASCADE, and
SET NULL options.