Hierarchical data representation model, Database Management System

Assignment Help:

Examples:-

Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are not used in commercial DBMS products.

139_Hierarchical Data Representation Model.png

Figure: An example of Network Model

324_Hierarchical Data Representation Model1.png

Figure: An example of Hierarchical Model


Related Discussions:- Hierarchical data representation model

What are the benefits of prepared statements, What are the benefits of prep...

What are the benefits of prepared statements and place holders? Parameter binding operations automatically handle escaping of characters Encourage Statement reuse

What is odbc and what is its function, Question: (a) What is ODBC and w...

Question: (a) What is ODBC and what is its function? (b) What is Web application server, and how does it work from a database perspective? (c) What does e-commerce mean

Explain the cartesian product, Explain the Cartesian product:  The Cart...

Explain the Cartesian product:  The Cartesian product operation does not need relations to union-compatible.  The meaning of this is that the involved relations may have dissim

Design of distributed databases, Design Of Distributed Databases: The dist...

Design Of Distributed Databases: The distributed databases are mainly relational at local level. So a local database schema is the similar as that of a centralised database design

What is the meaning of data independence, What is the meaning of Data indep...

What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on

Database, why are older data models are being replaced by new data models

why are older data models are being replaced by new data models

Relational declarative database language environment, Server Control It ...

Server Control It is usual to control access to the data via the front end application, for example by displaying data as ‘read only'. This part of the assignment illustrates ho

What is relational model feature, What is relational model feature? A r...

What is relational model feature? A relational model feature is much more data independence than some other database models.

What is substitutability, What is substitutability? Any method of a cla...

What is substitutability? Any method of a class-say A can equally well be adjured with any object belonging to any subclasses B of A. This characteristic leads to code reuse, a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd