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Monthly Archives: February 2013

Hierarchical DBMS (HDBMS)

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A DBMS is said to be hierarchical DBMS, when the data is organized like a tree structure. That means, it simply represents the data using parent – child relationship. It is the oldest style of organizing/storing data and still some organizations are using this.

It follows one to many relationship. i.e. All parents can have more than one child, but each child should have only one parent.



What is Database?

Database Introduction

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A Database is a collection of data organized in such a way that it can be accessed easily and efficiently.

It seems very easy to define. But this is an important one which rules the entire world in any field.

Our entire life depends on database and the daily activities involves lot of databases. Even the list of your Boyfriend/Girlfriend’s is also a database 😉