What is Database?

      A database can be thought of as a set of logically related files organized to facilitate access by one or more applications lithographically and to minimize data redundancy. So that it can easily be accessed, managed, and updated. In one view, databases can be classified according to types of content :-

1. Bibliographic
2. Full-Text 
3. Numeric and 
4. Images.

There are different types of Data Bases are there....
Some of them are :-

1. SQL Server
2. Oracle
3. MySQL
4. DB2 ........