Multimedia Databases

Data increasingly means not just numbers and small strings but multimedia data as well – structured text, images, video, audio, VR, etc.
As

• multimedia data is large and will affect the storage , retrival and transmission of multimedia data.


• multimedia data structures are completely different from standard database
• In multimedia data structures we want content-based searching


• In case of video and audio databases time to retrive information may be critical ex (Video on demand)

Multimedia Database Management System. (MMDBMS) must support multimedia data types in. addition to providing facilities for traditional DBMS like database creation, data modeling, data retrieval, data access and organization, and data independence.

Types of Multimedia datatypes :

• Text (arbitary long text fields)


• Still images


• Graphics objects like CAD/CAM objects


• Video data


• Audio data