Re: PostgreSQL flavors

>
> Closed Source
> -------------
>
> PostgreSQL Plus Advanced Server/EDB Server: EnterpriseDB's fork of
> PostgreSQL which has Oracle compatibility and some other tools (like xDB
> replication). Sometimes includes features from future versions of
> PostgreSQL
>
> CitusDB: latest/greatest big data scale-out version of PostgreSQL. Soon
> to be open-source.
>
> Aster: prior generation of PostgreSQL MPP and Map/Reduce scale-out.
>
> Hadapt: proprietary PostgreSQL+Hadoop fusion. Based on HadoopDB, which
> was open source.
>
> Paraccel: Column-oriented in-memory cluster database built from PostgreSQL
> 8.2.
>
> RedShift: Amazon's fork of Paraccel, available only on AWS as a service.
>
> Vertica: Another PostgreSQL-based column store. Unclear on how much
> PostgreSQL code it uses, but uses a version of the PostgreSQL protocol and
> psql client.
>

Vertica was written from scratch in C++. Maybe gram.y was used from Pg. But
the client and SQL are strongly inspirited by Postgres. vsql is not psql
probably, because psql is better. Last three years is not Vertica protocol
compatible with Postgres. I don't know a reason why - I am expecting some
strange marketing

Pavel

>
> FAST: Fujitsu's spin of PostgreSQL, optimized for high performance on
> high-end hardware.
>
>
>
> --
> --
> Josh Berkus
> Red Hat OSAS
> (any opinions are my own)
>
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>