Insulation between conceptual and physical structures, Database Management System

Assignment Help:

Insulation between conceptual and physical structures

It can be defined as:

1. The Database Administrator should be capable to vary the storage structures without affecting users' views.

2. The internal structure of the database should be unaffected by the varies to the physical aspects of the storage, like changing to a new storage device.

3. The DBA should be able to vary the conceptual structure of the database without affecting all users.

Related Discussions:- Insulation between conceptual and physical structures

Management and use of database, I need help with some assignments

I need help with some assignments

Assign, #quesDefine a job scheduling strategy that will meet business requi...

#quesDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pi

Explain weak and strong entity sets, Explain weak and strong entity sets? ...

Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k

Computing the closure of a set of functional dependency, What is meant by c...

What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.

Briefly explain the state diagram by taking one example, Briefly explain th...

Briefly explain the state diagram by taking one example. State Diagram - An object can be given a sequence of input instructions. The state of the object can vary depending u

Discuss along with examples about several types of er model, Discuss along ...

Discuss along with examples about several types of attributes present in the ER model? Types of Attributes are: • SIMPLE attributes are attributes which are drawn from the ato

Phase 1 Individual Project, How do I begi

How do I begin

What is indexed sequential file organization, What is indexed sequential fi...

What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing

I need helpin assignment, My cut off date is very soon in a Database subjec...

My cut off date is very soon in a Database subject and i dont know how to solve anything in it

State in detail about data flow diagram, What is a Data Flow Diagram? ...

What is a Data Flow Diagram? Data Flow Diagram: A data flow diagram is the graph that shows flow of data values from their sources in objects in the course of processes whic

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages