CompleteDB is an in-memory relational DBMS for transactional workloads.
The company backing the projected closed in 2014.
Custom API
In-Memory
Embedded
Multi-version Concurrency Control (MVCC)
Relational
B+Tree
https://www.completedb.com/
http://www.completedb.com/download2.php?f=CompleteDBUserGuide.pdf
@completedb
CompleteDB LLC
US
2012
2014
Commercial
C++
Linux, Windows
Proprietary