Download e-book for kindle: Advances in Databases: 15th British National Conference on by Larry Kerschberg (auth.), Carol Small, Paul Douglas, Roger

By Larry Kerschberg (auth.), Carol Small, Paul Douglas, Roger Johnson, Peter King, Nigel Martin (eds.)

ISBN-10: 3540632638

ISBN-13: 9783540632634

This publication includes the refereed complaints of the fifteenth British nationwide convention on Databases, BNCOD 15, held in London, in July 1997.
The 12 revised complete papers offered have been chosen from greater than 30 submissions. additionally incorporated are 10 poster displays and the invited lecture at the position of clever software program brokers in complicated details structures through Larry Kerschberg. The papers are equipped in topical sections on transaction processing, optimization, object-orientation and the web, and database integration.

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Additional info for Advances in Databases: 15th British National Conference on Databases, BNCOD 15 London, United Kingdom, July 7–9, 1997 Proceedings

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Litwin, "Dealing with Granularity of Time in Temporal Databases," In Lecture Notes in Computer Science, vol. 498, R. : Springer-Verlag, 1991, pp. 124-140. 75. G. Wiederhold, S. Jajodia, and W. Litwin, "Integrating Temporal Data in a Heterogeneous Environment," In Temporal Databases: Theory, Design, and Implementation, A. U. Tansel, S. : Benjamin/Cummings, 1993, pp. 563-579. 76. J. P. Yoon and L. Kerschberg, "A Framework for Constraint Management in Object-Oriented Databases," International Conference on Information and Knowledge Management, Baltimore, MD, 1992.

One of them updates the previous link of the next block, and the other inserts the index tuple in the B-tree. If during node-internal recovery only log records from the first transaction are found, the chained transaction may be rolled forward, because the first transaction has enough information to generate the two others. This forward rolling will "pre-split" the B-tree and make it consistent, and some time later, the tuple operation that originally caused the split will be redone or undone. An undo of the tuple operation does not cause an undo of the split.

Fourth, it regains the primary role as prior to the crash, the takeback. ~keover so~:,o __~_ . . . _~_. . Rephca: 1O00 Fig. 5. The phases involved in recovery of a fragment replica 1000 at the crashed node 0. To achieve a takeback, the recovering and the current primary nodes interoperate closely. When node 0 has finished the node internal recovery, it announces to all nodes that it is recovering. The primary nodes 10 and 11, send fragment shield locks for fragment 1000, 1002, 1004 and 1006 to node 0.

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Advances in Databases: 15th British National Conference on Databases, BNCOD 15 London, United Kingdom, July 7–9, 1997 Proceedings by Larry Kerschberg (auth.), Carol Small, Paul Douglas, Roger Johnson, Peter King, Nigel Martin (eds.)


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