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Managing Multimedia and Unstructured Data in the Oracle Database

Managing Multimedia and Unstructured Data in the Oracle Database

By : MARCEL KRATOCHVIL
4.5 (4)
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Managing Multimedia and Unstructured Data in the Oracle Database

Managing Multimedia and Unstructured Data in the Oracle Database

4.5 (4)
By: MARCEL KRATOCHVIL

Overview of this book

Multimedia is the new digital frontier. Managers, software architects, administrators and developers need to fully comprehend this exciting new technology as its widespread use and acceptance cannot be ignored any longer."Managing Multimedia and Unstructured Data in the Oracle Database" will give you a complete understanding of how to manage all data, especially multimedia. You will learn all the latest terminology, how to set up a database, load digital objects, search on them and even how to sell them. Whether you are a manager or database administrator, this book will give you the knowledge you need to take control of this rapidly growing and industry- changing technology. Technology which is transforming our lives.Starting with the basic principles of unstructured data and detailing the concepts behind multimedia warehouses and digital asset management systems, this book will describe how to load this data, search against it, display it intelligently, and deliver it to customers and users. Learn how all these concepts work within the Oracle 11g R2 database environment and how to tune the database effectively to manage it.Begin to learn about this new and exciting field and use it to give your business a competitive edge or give yourself the ability to take a leadership role in this exciting new computing genre.
Table of Contents (22 chapters)
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Managing Multimedia and Unstructured Data in the Oracle Database
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
5
Index

Digital object composition


A digital object can be thought of as just more than just one single image. It can actually become a complex structure in its own right, even growing to the point of having its own hierarchical structure.

The starting base – NULL object

There are two types of digital objects within Oracle that could be classified as NULL.

A NULL value can have numerous meanings, but in the relational world, a NULL value is one which is unknown and not just blank. A number that is NULL can be considered to be zero, but a true NULL value is one that is unknown and has the potential to be any value.

When it comes to dealing with objects, an object can be created and just given the value NULL.

myimage ORDSYS.ORDIMAGE
…
begin
myimage := NULL;

An object can also be initialized as a composite, meaning its object structure is set up. As an object can be composed of multiple types, the initializing involves setting up the individual values.

myimage ORDSYS.ORDIMAGE
…
begin
 myimage := ORDSYS.ORDIMAGE...
CONTINUE READING
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Managing Multimedia and Unstructured Data in the Oracle Database
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