Oracle Database

Oracle Database:

An Oracle database:

•Is a collection of data that is treated as a unit

•Consists of three file types

The general purpose of a database is to store and retrieve related information. An Oracle database has a 

logical and a physical structure. The physical structure of the database is the set of operating system files 

in the database. An Oracle database consists of three file types.

•Datafiles containing the actual data in the database

•Redo log files containing a record of changes made to the database to enable recovery of the data in case of failures

•Control files containing information necessary to maintain and verify database integrity