Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

what is data independence exactly? give an example

Answer Posted / mohammad ikram

Physical data independence
- the capacity to change the internal schema without
having to change the conceptual (or external) schema
- internal schema may change to improve the performance
(e.g., creating additional access structure)

Is This Answer Correct ?    17 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is an oracle?

958


How to create a new table in your schema?

1035


What is the simplest tool to run commands on oracle servers?

957


How can I create database in oracle?

961


Please explain oracle left join with an example?

960


Differentiate between function and procedure in oracle.

1022


What is open database communication (odbc) in oracle?

949


What privilege is needed for a user to create views in oracle?

981


Can we store images in oracle database?

948


What is a sub query and what are the different types of subqueries?

1075


How to use select statement to count the number of rows in oracle?

991


How can we create the complete backup of data in the oracle.

2094


How can I get column names from a table in oracle?

985


Query to retrieve record for a many to many relationship ?

2460


What is meant by an index?

1060