Using a prioritized MAC protocol to execute the database operation join in networked embedded computer systems

Andersson, Björn; Pereira, Nuno; Tovar, Eduardo; Pacheco, Filipe

http://hdl.handle.net/10400.22/3913

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Abstract(s)

Database query languages on relations (for example SQL) make it possible to join two relations. This operation is very common in desktop/server database systems but unfortunately query processing systems in networked embedded computer systems currently do not support this operation; specifically, the query processing systems TAG, TinyDB, Cougar do not support this. We show how a prioritized medium access control (MAC) protocol can be used to efficiently execute the database operation join for networked embedded computer systems where all computer nodes are in a single broadcast domain.