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Schema Vacuuming in Temporal Databases
May 2009 (vol. 21 no. 5)
pp. 744-747
ASCII Text
x 
 
John F. Roddick, "Schema Vacuuming in Temporal Databases," IEEE Transactions on Knowledge and Data Engineering, vol. 21, no. 5, pp. 744-747, May, 2009.
 
 
BibTex
x
 
@article{ 10.1109/TKDE.2008.201,
author = {John F. Roddick},
title = {Schema Vacuuming in Temporal Databases},
journal ={IEEE Transactions on Knowledge and Data Engineering},
volume = {21},
number = {5},
issn = {1041-4347},
year = {2009},
pages = {744-747},
doi = {http://doi.ieeecomputersociety.org/10.1109/TKDE.2008.201},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Knowledge and Data Engineering
TI - Schema Vacuuming in Temporal Databases
IS - 5
SN - 1041-4347
SP744
EP747
EPD - 744-747
A1 - John F. Roddick,
PY - 2009
KW - Temporal databases
KW - Database design
KW - modeling and management
VL - 21
JA - IEEE Transactions on Knowledge and Data Engineering
ER -
 
John F. Roddick, Flinders University, Adelaide
Temporal databases facilitate the support of historical information by providing functions for indicating the intervals during which a tuple was applicable (along one or more temporal dimensions). Because data are never deleted, only superceded, temporal databases are inherently append-only resulting, over time, in a large historical sequence of database states. Data vacuuming in temporal databases allows for this sequence to be shortened by strategically, and irrevocably, deleting obsolete data. Schema versioning allows users to maintain a history of database schemata without compromising the semantics of the data or the ability to view data through historical schemata. While the techniques required for data vacuuming in temporal databases have been relatively well covered, the associated area of vacuuming schemata has received less attention. This paper discusses this issue and proposes a mechanism that fits well with existing methods for data vacuuming and schema versioning.

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Index Terms:
Temporal databases, Database design, modeling and management
Citation:
John F. Roddick, "Schema Vacuuming in Temporal Databases," IEEE Transactions on Knowledge and Data Engineering, vol. 21, no. 5, pp. 744-747, May 2009, doi:10.1109/TKDE.2008.201
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