Incremental Reorganization of Relational Databases.

Victor M. Markowitz, Johann A. Makowsky: Incremental Reorganization of Relational Databases. VLDB 1987: 127-135

@inproceedings{DBLP:conf/vldb/MarkowitzM87,
  author    = {Victor M. Markowitz and
               Johann A. Makowsky},
  editor    = {Peter M. Stocker and
               William Kent and
               Peter Hammersley},
  title     = {Incremental Reorganization of Relational Databases},
  booktitle = {VLDB'87, Proceedings of 13th International Conference on Very
               Large Data Bases, September 1-4, 1987, Brighton, England},
  publisher = {Morgan Kaufmann},
  year      = {1987},
  isbn      = {0-934613-46-X},
  pages     = {127-135},
  ee        = {db/conf/vldb/MarkowitzM87.html},
  crossref  = {DBLP:conf/vldb/87},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

The evolution of an information system is reflected in data modeling by database reorganization. Entity-Relationship (ER) consistency expresses the capability of relational databases to model information oriented systems. A relational schema consisting of relational schemes, together with key and inclusion dependencies, is said to be ER-consistent if it complies with an entity-relationship structure, meaning that it is representableby an ER-Diagram. For ER- consistent schemas the basic restructuring manipulations are the addition and removal of relation schemes, coupled with the modification of the key and inclusion dependencies. Recently we have defined a set of incremental and reversible schema restructuring manipulations as the translates of a set of vertex-oriented ER-Diagram transformations. For non-empty database states the schema restructuring manipulations must be associated with state mappings, and this leads us to the definition of database reorganization operations; database reorganization operations consist of compatible pairs of incremental restructuring manipulations and entity-bounded state mappings. For the specification of ER-consistent database state mappings, we propose an Entity-Relationship Calculus.

Copyright © 1987 by the VLDB Endowment. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by the permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment.

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Printed Edition

Peter M. Stocker, William Kent, Peter Hammersley (Eds.): VLDB'87, Proceedings of 13th International Conference on Very Large Data Bases, September 1-4, 1987, Brighton, England. Morgan Kaufmann 1987, ISBN 0-934613-46-X
Contents

References

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