A multimedia database management system (MM-DBMS) manages different types of data in various formats across multiple media sources. Like traditional DBMS, an MM-DBMS provides integration, data independence, concurrency control, persistence, privacy, integrity control, and recovery. Additionally, an MM-DBMS can uniformly query different data formats, simultaneously query across media sources, retrieve media smoothly, and develop presentations from query answers that satisfy quality of service requirements. Multimedia databases support applications like video on demand, medical information systems, and public protection systems, but consume more storage and processing than traditional databases. Current research focuses on high performance and fast partitioning of compressed and uncompressed video.
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A multimedia database is a database that include one or more primary media file types such as .txt (documents), .jpg (images), .swf (videos), .mp3 (audio), etc.
For more detail visit : https://techforboost.blogspot.com
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A multimedia database is a database that include one or more primary media file types such as .txt (documents), .jpg (images), .swf (videos), .mp3 (audio), etc.
Introduction to database systems
Database size and complexity
What is DBMS?
Characteristics of Database approach
Users of database
Advantages of using database system
Database systems evolution
When not to use database systems
Introduction to database systems
Database size and complexity
What is DBMS?
Characteristics of Database approach
Users of database
Advantages of using database system
Database systems evolution
When not to use database systems
In this PPT, you will learn:
• The difference between data and information
• What a database is, the various types of databases, and why they are valuable assets for
decision making
• The importance of database design
• How modern databases evolved from file systems
• About flaws in file system data management
• The main components of the database system
• The main functions of a database management system (DBMS)
● Why Databases?
● Why Database Design is Important?
● The Database System Environment and Functions.
● Managing the Database System: A Shift in Focus.
Introduction, Characteristics of Databases, File
system v/s Database system, Data abstraction and
Data Independence, DBMS system architecture,
Database Administrator (DBA), Role of DBA
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Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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2. 2
What is a Multimedia DBMS?
A multimedia database management system (MM-DBMS) is a
framework that manages different types of data potentially
represented in a wide diversity of formats on a wide array of media
sources.
Like the traditional DBMS, MM-DBMS should address requirements:
Integration
• Data items do not need to be duplicated for different programs
Data independence
• Separate the database and the management from the
application programs
Concurrency control
• allows concurrent transactions
3. 3
Requirements of Multimedia DBMS
Persistence
• Data objects can be saved and re-used by different
transactions and program invocations
Privacy
• Access and authorization control
Integrity control
• Ensures database consistency between transactions
Recovery
• Failures of transactions should not affect the persistent
data storage
Query support
• Allows easy querying of multimedia data
4. 4
Requirements of Multimedia DBMS
In addition, an MM-DBMS should:
have the ability to uniformly query data (media data, textual data)
represented in different formats.
have the ability to simultaneously query different media sources and
conduct classical database operations across them.
have the ability to retrieve media objects from a local storage device in
a smooth jitter-free (i.e. continuous) manner.
have the ability to take the answer generated by a query and develop a
presentation of that answer in terms of audio-visual media.
have the ability to deliver this presentation in a way that satisfies
various Quality of Service requirements.
6. 6
Advantages and Disadvantages of MM-
Database
Advantages:
They support multiple formats of datas (text, audio, video etc)
Data independence: Separate the database and the management
from the application program.
They provide access and authorization control.
Query support :Multimedia databases should have the ability
to uniformly Query data (media data, Textual data) represented
in different formats and have the ability to simultaneously
query different media sources and conduct classical database
operations across them.
7. 7
Advantages and Disadvantages of MM-
Database
Disadvantages:
Usually, the data size of multimedia is large such as video;
therefore, multimedia data often require a large storage.
Multimedia database consume a lot of processing time, as well
as bandwidth.
8. Current Research fields in
Multimedia Database
High performance database
Techniques for fast partitioning of
compressed and uncompressed video
8
9. Conclusion:
Multimedia content becomes more and
more popular.
A database is something that holds and
organizes data in a way that makes it easy to
retrieve and allow a user to search for a
particular record.
A multimedia database allows text, data,
video, still image, dynamic image and audio
to become integral parts of database
management- and this is a consequence of
information retrieval. 9
10. References:
Multimedia databases: an object relational
approach – Lynne Dunckley
Multimedia and Imaging Databases By
Setrag Khoshafian, A. Brad Baker
https://en.wikipedia.org/wiki/Multimedia_d
atabase
10