DB Concepts at General Connection dot Com Logo
N A V I G A T I O N
Home
Database Terminology
All about DBMS
Whats New?
 
Structures of Database Mngt systems


Structures of Database Mngt systems

·         Three in number as follows :

HDBMS :  HIERARCHICAL  DATABASE  MANAGEMENT SYSTEM

NDBMS                : NETWORK  DATABASE  MANAGEMENT  SYSTEM

RDBMS : RELATIONAL  DATABASE  MANAGEMENT  SYSTEM

The hierarchical and network structures have been in use for database management systems since 60s

The relational structure was introduced in the early 1970s. The hierarchical and networking structures do not meet the requirements of physical and logical data independence

 


© 2010 www.generalconnection.com. All rights reserved. | www.generalconnection.com