Abstract
Transactions within a mobile database management system face many restrictions. These cannot afford unlimited delays or participate in multiple retry attempts for execution. The proposed embedded concurrency control (ECC) techniques provide support on three counts, namely—to enhance concurrency, to overcome problems due to heterogeneity, and to allocate priority to transactions that originate from mobile hosts. These proposed ECC techniques can be used to enhance the server capabilities within a mobile database management system. Adoption of the techniques can be beneficial in general, and for other special cases of transaction management in distributed real-time database management systems. The proposed model can be applied to other similar problems related to synchronization, such as the generation of a backup copy of an operational database system.
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