Relational Model & Algebra
Recall Our Initial Discussion…
There are a variety of ways of representing data, each with trade-offs
Free text
Shapes/points in space
“Objects” with “properties”
In general, our emphasis will be on the last item
… though there are spatial databases, OO databases, text databases, and the like…
The Relational Data Model (1970)
Lessons from the Codd paper
Let’s separate physical implementation from logical
Model the data independently from how ....etc

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send abstract and semoinar ppts on mpeg-7
my mail id [email protected] ....etc

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Submitted by:
Neelima Chauhan
Shikha Chawla

Department of Information Technology
Arya Institute of Engineering & Technology,Jaipur



ABSTRACT
Computer programming is an art. It is a way of explaining how a Specific task is to be performed by a given computer driven by speedy development in the underdevelopment of the project.
Engineering is not only a theoretical study but it is a implementation of all we study for creating something new and making things more easy and useful thr ....etc

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The automatic control system of anti drunk-driving ....etc

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The automatic control system of anti drunk-driving ....etc

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1. Introduction
Accessing audio and video used to be a simple matter - simple because of the simplicity of the access mechanisms and because of the poverty of the sources. An incommensurable amount of audiovisual information is becoming available in digital form, in digital archives, on the World Wide Web, in broadcast data streams and in personal and professional databases, and this amount is only growing. The value of information often depends on how easy it can be found, retrieved, accessed, filtered and managed.
The t ....etc

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The automatic control system of anti drunk-driving ....etc

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i need a swagat shayari for our hostel annual day. ....etc

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ABSTRACT
As more and more audiovisual information becomes available from many sources around the world, many people would like to use this information for various purposes. This challenging situation led to the need for a solution that quickly and efficiently searches for and/or filters various types of multimedia material thatâ„¢s interesting to the user.
For example, finding information by rich-spoken queries, hand-drawn images, and humming improves the user-friendliness of compute ....etc

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Presented By:
Syed Shafeeq Ahmed
Electronics and Communication Engineering
Visvesvaraya Technological University
Belgaum
ABSTRACT
An immeasurable amount of multimedia information is available today in digital archives, on the Web, in broadcast data streams, and in personal and professional databases and this amount continues to grow. Yet, the value of that information depends on how easily we can manage, find, retrieve, access, and filter it. The transition between two millennia abounds with ....etc

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