| First commercially available SQL RDBMS. Basic SQL queries, simple joins<ref name="VEI-Kuni-OraR2">{{cite web|url=http://cs-exhibitions.uni-klu.ac.at/index.php?id=403|title=Oracle V2|website=Virtual Exhibitions in Informatics|publisher=University of Klagenfurt|author=Departments of Informatics|access-date=30 September 2019|url-status=live|archive-date=30 September 2019|archive-url=https://web.archive.org/web/20190930122821/http://cs-exhibitions.uni-klu.ac.at/index.php?id=403}}</ref> and connect<code>CONNECT byBY</code> joins. Written in [[assembly language]] for the [[PDP-11]] assemblyto languagerun in 128KB of [[Random-access memory|RAM]].<ref>{{cite Availablebook |last=Maheshwari |first=Sharad |date=2007 |title=Introduction to SQL and PL/SQL |url=https://books.google.com/books?id=V1eMhnTq2BYC&pg=PA12 |publisher=Firewall Media |page=12 |isbn=9788131800386}}</ref> Ran on PDP-11 and [[VAX]]/VMS in PDP-11 compatibility mode.
