Oracle Database History

Oracle Database History

● In 1977 Larry Ellison saw a IBM Journal of Research and Development, discovered a research paper that described a working prototype for a relational database management system (RDBMS). Showing it to coworkers Bob Miner and Ed Oates at Ampex .

● They started Software Development Company to build the Oracle, which was the first commercial SQL based RDBMS.

● 1978 Oracle version 1, written in assembly language. But Oracle verson 1 never released.

● 1979 Oracle Version2, was the first commercial SQL Relational Database Management System.

● 1983 Oracle version 3, written in C language. Is the first RDBMS to run on Mainframes, minicomputer and PCs.

● 1985 Oracle Version5, was the first RDBMS to support client-server environment.

● 1988 Oracle Version6, allow multiple users to work on single table, hot-backup reduce system maintenance, PL/SQL allow uses to process data while it remains in the database.

● 1992 Oracle Version7, with ground breaking functionality and several architectural changes.

● 1996 Oracle Version 7.3, to manage any type of data text, video, maps, sound, or images.

● 2001 Oracle version 9i, adds Oracle Real Application Clusters which allow customers to run their IT on connected low-cost servers, expanding performance, scalability and availability.

● 2003 Oracle Version 10g, the first grid computing product available for the enterprise. This allow to process the load based on demand.

● 2007 Oracle Version 11g, It’s proven to be fast, reliable, secure and easy to manage for all types of database workloads including enterprise applications, data warehouses and big data analysis

● 2013 Oracle Version 12 c , it’s first cloud database  from  ORACLE. it introduces a new multitenant architecture that makes it easy to consolidate many databases quickly and manage them as a cloud service.also includes in-memory data  processing capabilities delivering breakthrough analytical performance. JSON Document Store and Additional database innovations deliver new levels of efficiency, performance, security, and availability.

●2016  Oracle version 12c release 2, it introduces shareding, memory-option …

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