PRIMA

PRIMA: Archiving and Querying Historical Data with Evolving Schemas

Authors: 
Moon, Hyun J.; Curino, Carlo A.; MyungWon, Ham; Zaniolo, Carlo
Year: 
2009
Venue: 
SIGMOD

Schema evolution poses serious challenges in historical data management. Traditionally the archival data has been (i) either migrated under the current schema version, to ease querying, but compromising archival quality, or (ii) maintained under the original schema version in which they firstly appeared, leading to a perfect archival quality, but to a taxing query interface.

Syndicate content