Course sections

Oracle SQL

What is Oracle and Oracle Database ?

What is Oracle?
=========

The Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an
object-relational database management system produced and marketed by Oracle Corporation.

Larry Ellison and his friends, former co-workers Bob Miner and Ed Oates, started the
consultancy Software Development Laboratories (SDL) in 1977.
SDL developed the original version of the Oracle software.
The name Oracle comes from the code-name of a CIA-funded project Ellison had worked
on while previously employed by Ampex.

Who is oracle?
=========

Oracle Corporation is an American multinational computer technology corporation headquartered in
Redwood City, California, United States.

The company specializes in developing and marketing computer hardware systems and enterprise software
products – particularly its own brands of database management systems.

What is a Database?
============

A database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. You can think of a database as an electronic filing system.

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