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PPT : Mobile Database Systems

Outline
o Fully Connected Information Space
o Personal Communication System (PCS)
o Mobile Database Systems (MDS)
o Transaction Management
o Data Caching
o Query Processing
o Data Classification
o Conclusion

Fully connected information space
Mobile Database Systems
Fully connected information space
* Each node of the information space has some communication capability.
* Some node can process information.
* Some node can communicate through voice channel.
* Some node can do both

Mobile Database Systems
Fully connected information space
Can be created and maintained by integrating legacy database systems, and wired and wireless systems (PCS, Cellular system, and GSM)

Mobile Database Systems
A system with the following structural and functional properties
+ Distributed system with mobile connectivity
+ Full database system capability
+ Complete spatial mobility
+ Built on PCS/GSM platform
+ Wireless and wired communication capability

What is a Mobile Database System (MDS)?
Mobile Database Systems
What is a mobile connectivity?
A mode in which a client or a server can establish communication with each other whenever needed. Intermittent connectivity is a special case of mobile connectivity.

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