Multimedia Database is a database system that stores the multimedia data. Multimedia database involve to access and manipulate stored information belonging to different media such as text, audio, image and video. The multimedia database is different from the traditional database for following characteristics .
Ø In multimedia database we have to use the different technique to store the multimedia objects. We have to use the different technique because of the volume of the multimedia objects and the real time requirement for their fast retrieval.
Ø In the database, the multimedia objects stored in binary format. For this reason the content of media objects have to be interpreted base on the type of media, contents of the objects and the needs of an application.
Ø Making the access fast to store data in database, the indexing technique should be applied. For the multimedia data, the different indexing techniques are required for handling various media objects.
Ø Media objects, associated metadata, the object’s temporal and spatial characteristics have to be modelled in such a way that they can be easily manipulated.
Ø The users access the multimedia information in multimedia database using the queries. These queries the metadata associated with the objects and the object’s temporal and spatial characteristics.
Ø To access the multimedia data those are distributed over computer networks need the support from network service provider for communicating large media objects with real-time requirements.
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