A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2010; you can also visit the original URL.
The file type is application/pdf
.
PRIMA
2009
Proceedings of the 35th SIGMOD international conference on Management of data - SIGMOD '09
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema version, providing an easy query interface, but compromising archival quality, or (ii) by maintaining them under the original schema version in which they first appeared, leading to a perfect archival quality, but also to a difficult query interface. In PRIMA system, we achieve the best of both approaches, by archiving
doi:10.1145/1559845.1559970
dblp:conf/sigmod/MoonCHZ09
fatcat:77gtnp7ppjflxd2fgbrh3zr6vm