Oracle means - Oak Ridge Automatic Computer and Logical Engine.
The Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system (ORDBMS)
produced and marketed by Corporation. The Oracle server extends the data modeling capabilities to support an object relational database model that brings object-oriented programming, complex data types, complex business objects, and full compatibility with the relational world. Oracle Database is an entry-level, small-footprint database based on the Oracle Database Releases code base that's free to develop, deploy, and distribute; fast to download; and simple to administer. And it contains SQL, PL/SQL the Programming Language of Oracle.
One of the main advantage of oracle over other databases is in its recent version oracle has the concept of Flashback technology. That is we all know that data is the heart of any application or organization and thus this requires careful maintenance. But sometimes application outage can occur and mostly DBA claim the reasons for this as hardware failure and apart from this the reason would be human errors like accidental deletion of valuable data, deleting the wrong data, or dropping the wrong table. So it is very essential to take care of such situation and this is done in oracle's latest technology called flash introduced in its latest version. By Flash technology it helps in recovery by working just on the changed data. Thus Flashback provides an
· Efficient recovery from human errors
· Faster database recovery
· Helps in simplifying the management and administration processes
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