Explain data abstraction, Database Management System

Assignment Help:

Explain data abstraction?

Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is constructed from more primitive data objects.


Related Discussions:- Explain data abstraction

List any eight applications of dbms, List any eight applications of DBMS. ...

List any eight applications of DBMS. a) Universities b) Airlines c) Banking d) Credit card transactions e) Tele communication f) Sales g)Finance h) Manufac

Aggregation, Aggregation : One limitation of the E-R diagram is that they d...

Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent

Explain how the object classes are mapped to tables, Explain how the object...

Explain how the object classes are mapped to tables. Each object class maps to one or more than one tables in the database. The objects in the class may be partitioned horizont

Develop a database design , A practice called Perfect Pets provides private...

A practice called Perfect Pets provides private health care for domestic pets throughout America. This service is provided through various clinics located in the main cities of Ame

Can a filed occur in several field groups, Can a filed occur in several fie...

Can a filed occur in several field groups. Yes.  But it leads to redundant data redundancy.

What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

Explain dynamic two-phase locking, Explain Dynamic Two-Phase Locking H...

Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item.  After finishing all the operations on

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