If not mistaken, Skype used or still uses plProxy. Check it out!<p>- <a href="https:&#x2F;&#x2F;wiki.postgresql.org&#x2F;wiki&#x2F;PL&#x2F;Proxy" rel="nofollow">https:&#x2F;&#x2F;wiki.postgresql.org&#x2F;wiki&#x2F;PL&#x2F;Proxy</a>
- <a href="https:&#x2F;&#x2F;github.com&#x2F;plproxy&#x2F;plproxy" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;plproxy&#x2F;plproxy</a>
- <a href="http:&#x2F;&#x2F;highscalability.com&#x2F;skype-plans-postgresql-scale-1-billion-users" rel="nofollow">http:&#x2F;&#x2F;highscalability.com&#x2F;skype-plans-postgresql-scale-1-bi...</a><p>Don&#x27;t be confused with the &#x27;partitioning&#x27; term. It&#x27;s used in &#x27;horizontal&#x27; partitioning context.