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Incremental implementation model for relational databases with transaction time

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3 Author(s)
C. S. Jensen ; Dept. of Comput. Sci., Arizona Univ., Tucson, AZ, USA ; L. Mark ; N. Roussopoulos

An implementation model for the standard relational data model extended with transaction time is presented. The implementation model integrates techniques of view materialization, differential computation, and deferred update into a coherent whole. It is capable of storing any view (reflecting past or present states) and subsequently using stored views as outsets for incremental and decremental computations of requested views, making it more flexible than previously proposed partitioned storage models. The working and the expressiveness of the model are demonstrated by sample queries that show how historical data are retrieved

Published in:

IEEE Transactions on Knowledge and Data Engineering  (Volume:3 ,  Issue: 4 )