ParAccel was a distributed relational DBMS based on PostgreSQL. It used a shared-nothing architecture with a columnar storage scheme.
The company was acquired by Actian in 2013 and the project was cancelled. The ParAccel system lives on as Amazon Redshift.
Relational
SQL
Disk-oriented
Decomposition Storage Model (Columnar)
Shared-Nothing
http://www.paraccel.com/
@ParAccel
ParAccel, Inc.
US
2006
2013
Actian
Commercial
C
PostgreSQL
Linux
Proprietary
https://en.wikipedia.org/wiki/ParAccel