Hierarchical data representation model, Database Management System

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

Posted Date: 3/6/2013 5:10:32 AM | Location : United States







Related Discussions:- Hierarchical data representation model, Assignment Help, Ask Question on Hierarchical data representation model, Get Answer, Expert's Help, Hierarchical data representation model Discussions

Write discussion on Hierarchical data representation model
Your posts are moderated
Related Questions
Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type

Why a report generator is used ? Report generator is used for print files on paper.

Do the 11.1 11.1 Credit Card Use. Consider the following hypothetical bank data on consumers’ use of credit card credit facilities in Table 11.3. Create a small worksheet in Exce

What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users

List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices

Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F

sir, could anybody help me in getting complete information about the mentioned topic

The definition of the classes and operation can often be adjusted to increase the amount of inheritance". Justify the above statement.   Adjustment of Inheritance The def

Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen

How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul