PrimeBase XT (PBXT) By PrimeBase Technologies GmbH

PrimeBase XT (PBXT), an open source, transactional storage engine for MySQL.

The key feature set of PBXT includes:
• MVCC: Multi-version concurrency control, enables reading without locking.
• Transactional: Support for BEGIN, COMMIT and ROLLBACK and automatic recovery on server re-start if necessary.
• Fully ACID compliant: Atomic, Consistent, Isolated, Durable (once committed changes cannot be lost).
• Row-level locking: Updates use row-level locking providing for maximum concurrency.
• Deadlock detection: Immediate notification if client processes are deadlocked.
• Referential Integrity: Providing foreign key support.
• Write-once: PBXT avoids double-writes by using a log-based architecture, ideal for Solid State Drive (SSD) technology
• Streaming of media data including video, audio (e.g. MP3), images and other binary large objects (BLOBs) with the BLOB Streaming engine.