From Oracle FAQ
Oracle 3 is a version of the Oracle Database.
Also see Oracle 4, Oracle 5, Oracle 6, Oracle 7, Oracle 8, Oracle 8i, Oracle 9i, Oracle 10g and Oracle 11g.
History and Support Status
Release date: 1981
Status: No longer supported.
The following new features were introduced with Oracle 3:
- Atomic execution of SQL statements and transactions (COMMIT and ROLLBACK of transactions)
- Nonblocking queries (no more read locks)
- Re-written in the C-programming language
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