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

List out user authorization to modify the database schema, List out various...

List out various user authorization to modify the database schema. a)  Index authorization b)  Resource authorization c)  Alteration authorization d)  Drop authorizat

RDBMS, why data in an RDMS need to be normalised

why data in an RDMS need to be normalised

Database incident table, The Incident table, with an auto-incrementing in...

The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide

Express the queries in relational algebra, Question: This question refe...

Question: This question refers to the database schema. a) Express the following queries in SQL: (i) Write the SQL code that will create the table Company. Your answer sh

Computer, what is object-identity

what is object-identity

What is the meaning of redundant associations, Adding Redundant Association...

Adding Redundant Associations for Efficient Access The expression redundant association means using "duplicate association for proficient access". While analysis, it is not a

Normalization, Process of normalization is the integral part of designing a...

Process of normalization is the integral part of designing a database. Justify this statement with suitable database design

Concurrency control, Give the two reasons for allowing concurrency

Give the two reasons for allowing concurrency

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