Data base is a collection of related data ,Data base management system is a software designed to assist in maintaining and utilizing large collections of data, and the need for such systems,as well as their use , is growing rapidly.
Today DBMS are an essential part of any enterprises information system.
eg : Airline reservation system
Banking systems
University database systems
" What are the types of data bases ?? "
There are four types of data bases
1). Numeric and textual databases
2).Multimedia databases
3).Graphical Information systems
4).Data ware house
Now we are going to talk about advantages of DBMS
1).Data independence
Data independence is a form of database management that keepsdata separated from all programs that make use of the data. As a cornerstone for the idea of a DBMS or database management system, data independence ensures that the data cannot be redefined or reorganized by any of the programs that make use of the data. In this manner, the data remains accessible, but is also stable and cannot be corrupted by the applications using it.
2).Efficient Data access : A DBMS utilize a variety of sophisticated techniques to store and retrieve data efficiently .This feature is especially important if the data is stored on external devices ,
3).Data integrity and security :
4).Data administration :
5).Current access and crash recovery :
6).Reduce application development time :
