Oracle数据库的历史

Here is the list of important events that took place in the last 30 years of Oracle history. Oracle is celebrating its 30 wonderful years in the industry ( from 1977 to 2007).

This article was updated on 6th August, 2007.

• In 1977, Larry Ellison, Bob Miner and Ed Oates founded Software Development Laboratories to undertake development work
• After reading a paper by Codd in IBM Journal of Research and Development, they created Oracle. The first version was never released. It was written in Assembly language of PDP which ran in 128kb of RAM.
• Version 2.0 of Oracle was released in 1979 and it became first commercial relational database and first SQL database. The company changed its name to Relational Software Inc. (RSI).
• In 1981, RSI started developing tools for Oracle.
• In 1982, RSI was renamed to Oracle Corporation. It held its first user conference in San Francisco.
• In 1983, Oracle released version 3.0, which was rewritten in C language and ran on multiple platforms.
• In 1984, Oracle version 4.0 was released. It contained features like concurrency control - multi-version read consistency etc.
• By 1985, Oracle released version 5.0 and became the first relational database that worked in client/server environment.
• In 1986, Oracle goes public on the NASDAQ exchange.
• In 1987, Oracle wanted to create enterpriseapplications that take advantage of their database.
• In 1988, Oracle version 6.0 was released. It provided row-level locking, hot backup and PL/SQL as main features.
• By 1989, Oracle moved to new headquarters in RedwoodShores, California.
• In 1990, they released Oracle ApplicationsRelease 8, which included account software for client/server
• In 1992, they released Oracle 7.0. It provided better performance, administrative utilities, application development tools, security features, stored procedures, triggers and declarativeintegrity.
• In 1995, Oracle became the first major company to announce acomprehensive internet strategy.
• In 1997, Oracle released Oracle 8.0 and Oracle Applications 10.7. It started embracing Java. Partitioning, support for different types of data like images, large text, external data etc.(lobs) are provided. It also started providing support for Object in database becoming an Object-Relational DBMS
• By 1999, Oracle realized that "Internet Changes Everything". Oracle released Oracle 8i and Oracle Applications 11i. They supported open standards like XML.Oracle8i provided Java Virtual Machine (JVM) to run Java program in Oracle Database and also scalability, which was required for internet databases.

  To read more about what is new in Oracle8i, read What's new in Oracle8i and PL/SQL Enhancements articles.

• In 2000, Oracle9iAS was released. Oracle corporation is no longer a company providing only database management system and instead started providing all that it takes to develop and deploy a complete application.AS(Application Server) runs on middle tier in 3-tier Client/Server architecture boosting the performance.
• In 2001, Oracle9i was released. It allows Oracle to run on RAC (Real Application Cluster), which is a collection of low-cost servers. It also allowedXML documents to be stored and queried in Oracle Database.

  You can get information about new features that were introduced in Oracle9i usingNew features of Oracle9i Database

• In 2003, Oracle10g was released, where g stands for Grid computing, which servers computing power across the enterpriseas a utility, automatically shifting processing load based on demand. Oracle10g also made a lot of administrative tasksautomatic.
• In 2007, Oracle has released Oracle11g. The new version focused on better partitioning, easy migration etc.

As of now, Oracle has 68,000 employees, 2,75,000 customer with US$14 billion revenue. It is run by LarryEllison ( CEO), Charles Phillips( president), SafraCatz ( president and CFO).

Oracle's philosophy, according to Ken Jacobs,vice president of product strategy is, " Nothing is impossible. Impossible justtakes a little longer".

source: http://srikanthtechnologies.com/articles/oracle/orahistory.html