Brief Introduction of Oracle Database

An Oracle database is a collection of interrelated data. The purpose of a database is to store and retrieve related information. A Database server is the key to solving the problems of information management.

 

The oracle database server is manages the large amount of data in a multiple user environment so that many users can concurrently access the same data. A database server also prevents the unauthorized access and provides efficient solutions for failure recovery.

 

Oracle database is first database which is designed for enterprise grid computing(the most flexible and cost efficient way to manage information and applications). Enterprise grid computing create large pools of industry project,modules and servers.

 

Each database has logical structure and physical structure. the both structure are separated from each other. the physical storage of data can be managed without affecting the access of logical structures.

History of Oracle:-

 

The oracle founded in august 1977 by Larry Ellision. Oracle was initially named after “Project Oracle” a project for one of their clients,

There are all version released of oracle database.

1979 – Oracle release 2

The first commercial RDBMS was built using PDP-11 assembler language. Although they created a commercial version of RDBMS in 1977, it wasn`t for sale untill 1979 with the launch of Oracle version 2.

1983 – Oracle release 3

The Oracle version 3 was developed in 1983. this version was developed using c programming and could run in mainframe, minicomputer and PCs or any hardware with c Compiler. its also supported the SQL statement and transactions.

1984 – Oracle release 4

The Oracle version 3 was developed in 1983. this version was developed using c programming and could run in mainframe, minicomputer and PCs or any hardware with c Compiler. its also supported the SQL statement and transactions.

1984 – Oracle release 4

The Oracle version 3 was developed in 1984. this is the advanced version, Demand was so great that Oracle was improved in the software. Oracle 4 included support for reading consistency, which makes its much faster and quick responsible then any previous version. it also included the export and import utilities and report writer.

1985 – Oracle release 5

The Oracle version 3 was developed in 1984. this is the advanced version, Demand was so great that Oracle was improved in the software. Oracle 4 included support for reading consistency, which makes its much faster and quick responsible then any previous version. it also included the export and import utilities and report writer.