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A '''Multimedia database''' ('''MMDB''') is a collection of related for [[multimedia]] [[Data (computing)|data]].<ref name=MDA>{{cite journal|last=Yu|first=Chien|author2=Teri Brandenburg|title=Multimedia database applications: issues and concerns for classroom teaching|date=February 2011|volume=3|issue=1|pages=2|
A '''Multimedia Database Management System''' ('''MMDBMS''') is a [[Framework (computer science)|framework]] that manages different types of data potentially represented in a wide diversity of [[File format|formats]] on a wide array of media sources. It provides support for multimedia [[data types]], and facilitate for creation, storage, access, [[Query (database)|query]] and control of a multimedia database.<ref name=MDMRI>{{cite journal|last1=Adjeroh|first1=Donald|last2=Nwosu|first2=Kingsley|title=Multimedia Database Management - Requirements and Issues|journal=IEEE
==Contents of MMDB==
A Multimedia Database (MMDB) hosts one or more [[multimedia]] [[data types]]<ref name=MD>{{cite web|title=Multimedia Database|url=http://www.tech-faq.com/multimedia-database.html|website=Tech-faq.com|
These [[data types]] are broadly categorized into '''''three classes''''':
* Static media<ref name="MD"/> (time-independent: [[image]] and [[graphic]] object).
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* Multimedia data consists of a variety of media [[File format|formats]] or file representations including [[TIFF]], [[BMP file format|BMP]], [[Microsoft PowerPoint#File formats|PPT]], [[IVUE]], [[FlashPix|FPX]], [[JPEG]], [[MPEG]], [[Audio Video Interleave|AVI]], [[MIDI|MID]], [[WAV]], [[Doc (computing)|DOC]], [[GIF]], [[Encapsulated PostScript|EPS]], [[Portable Network Graphics|PNG]], etc. Because of restrictions on the conversion from one [[File format|format]] to the other, the use of the data in a specific [[File format|format]] has been limited as well. 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.
*Some multimedia [[data types]] such as video, audio, and animation sequences have temporal requirements that have implications on their storage, manipulation and presentation, but [[image]]s, [[video]] and [[graphics]] data have
==Application areas==
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