Oracle has started its origin during the year 1979 and their latest release is 11g / 2007-07-11; 690 at the time of this article.
You can find the old version number in the below website:
http://en.wikipedia.org/wiki/Oracle_database
Database System:
C.J Date defines a database system as a computer based record keeping system. The purpose is to record and maintain information.
We can also say, a database is a collection of related records and a set of program to access this data.
Since the entire system that enables one to insert, store, update, delete and manage data. Therefore, it is called Database Management System.
Relational Database Management System: (RDBMS)
RDBMS is a suite of software programs that can be used for creating, maintaining, modifying and manipulating a relational database.
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