From Oracle FAQ
Oracle 5 is a version of the Oracle Database.
 History and Support Status
Release date: April 1985
Status: No longer supported.
 Features introduced
The following new features were introduced with Oracle 5:
 Oracle 5.1 - 1986
- Distributed queries
 Oracle 5.0 - 1985
- Supporting for the Client-Server model - PC's can access the DB on remote host
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